.. spelling::

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Changelog

Check https://github.com/conan-io/conan for issues and more details about development, contributors, etc.

Important

Conan 1.25 shouldn't break any existing 1.0 recipe or command line invocation. If it does, please submit a report on GitHub. Read more about the :ref:`Conan stability commitment<stability>`.

1.25.2 (19-May-2020)

Bugfix: Previously conan always set cpp_std option in meson project, even if cppstd option was not set in conan profile. Now it sets the option only if cppstd profile option has a concrete value. #7047
Bugfix: Fix deploy generator management of relative symlinks. #7044
Bugfix: Fixes an issue where Apple Framework lookup wasn't working on RelWithDebInfo. #7041
Bugfix: Fix broken AutoToolsBuildEnvironment when a profile:build is defined. #7032

1.25.1 (13-May-2020)

Feature: Add missing gcc versions: 6.5, 7.5, 8.4, 10.1. #6993 . Docs here
Bugfix: Resumable download introduced a bug when there is a fronted (like Apache) to Artifactory or other server that gzips the returned files, returning an incorrect Content-Length header that doesn't match the real content length. #6996
Bugfix: Set shared_linker_flags to CMake MODULE targets too in cmake generators, not only to SHARED_LIBRARIES. #6983
Bugfix: Fix conan_get_policy return value. #6982
Bugfix: Fix json output serialization for cpp_info.components. #6966

1.25.0 (06-May-2020)

Feature: Consume settings_build to get the value of the OS and arch from the build machine (only when --profile:build is provided). #6916 . Docs here
Feature: Implements cpp_info.components dependencies. #6871 . Docs here
Feature: Change HTML output for conan search --table command. #6832 . Docs here
Feature: Execute periodic config install command. #6824 . Docs here
Feature: Add build_modules to markdown generator output. #6800
Feature: Resume interrupted file downloads if server supports it. #6791
Feature: Using CONAN_V2_MODE the version attribute in a ConanFile is always a string (already documented). #6782 . Docs here
Feature: Support GCC 9.3. #6772 . Docs here
Feature: Populate settings_build and settings_target in conanfile (only if provided --profile:build). #6769 . Docs here
Feature: handle C++ standard for Intel C++ compiler #6766
Feature: add Intel 19.1 (2020). #6733
Fix: tools.unix_path is noop in all platforms but Windows (already documented behavior). #6935
Fix: Preserve symbolic links for deploy generator. #6922 . Docs here
Fix: Adds missing version GCC 10 to default settings. #6911 . Docs here
Fix: Populate requires returned by the servers from the search endpoint using requires (Artifactory) or full_requires (conan_server) fields. #6861
Fix: Avoid failures that happen when Conan runs in a non-existing folder. #6825
Fix: Use pep508 environment markers for defining Conan pip requirements. #6798
Fix: Improve error message when [options] are not specified correctly in conanfile.txt. #6794
Fix: add missing compiler version check for Intel. #6734
Bugfix: Prevent crash when mixing package_id modes for the same dependency. #6947
BugFix: Propagate arch parameter to tools.vcvars_command() in MSBuild() build helper. #6928
Bugfix: Fix the output of :command:`conan info` package folder when using build_id() method. #6917
Bugfix: Generate correct PACKAGE_VERSION in cmake_find_package_multi generator for multi-config packages. #6914
Bugfix: enable C++20 on Apple Clang. #6858
Bugfix: Variable package_name in conan new -t <template> command contains a _CamelCase_ version of the name of the package. #6821 . Docs here
Bugfix: Changed the CMake generator template to properly handle exelinkflags and sharedlinkflags using generator expressions. #6780

1.24.1 (21-Apr-2020)

Bugfix: correct the cmake generator target name in the markdown generator output. #6788
Bugfix: Avoid FileNotFoundError as it is not compatible with Python 2. #6786

1.24.0 (31-Mar-2020)

Feature: Add the needed command-line arguments to existing commands to provide information about host and build profiles. #5594 . Docs: here
Feature: Add markdown generator, it exposes useful information to consume the installed packages. #6758 . Docs here
Feature: Add new tool cppstd_flag to retrieve the compiler flag for the given settings. #6744 . Docs here
Feature: Short paths feature is available for Cygwin. #6741 . Docs here
Feature: Add Apple Clang as a base compiler for Intel C++. #6740 . Docs here
Feature: Make settings.get_safe and options.get_safe accept a default value. #6739 . Docs here
Feature: CONAN_V2_MODE deprecates two legacy ways of reusing python code: the <cache>/python path and the automatic PYTHONPATH environment variable. #6737 . Docs here
Feature: Add the _description_ field to the output of the :command:`conan info` command. #6724 . Docs here
Feature: Add more detailed information when there are missing packages. #6700 . Docs here
Feature: Support mirrors for tools.download and tools.get. #6679 . Docs here
Feature: Modify the default behaviour in SystemPackageTool to be able to create a recipe that does not install system requirements by default if the CONAN_SYSREQUIRES_MODE is not set. #6677 . Docs here
Feature: Add cpp_info.components package creator interface to model internal dependencies inside a recipe. #6653 . Docs here
Feature: Add a new init() method to conanfile.py recipes that can be used to add extra logic when inheriting from python_requires classes. #6614 . Docs here
Fix: Add Sun C compiler version 5.15 into default settings.yml. #6767
Fix: Raises ConanException when package folder is invalid for export-pkg. #6720 . Docs here
Fix: Added print to stderr and exit into pyinstaller script when it detects python usage of python 3.8 or higher as currently pyinstaller does not support python 3.8. #6686
Fix: Improve the command line help for the conan install --build option. #6681 . Docs here
Fix: Add build policy help for --build argument when used in conan graph build-order command. #6650
Fix: Remove file before copying in conan config install to avoid permission issues. #6601
Fix: check_min_cppstd raises an exception for an unknown compiler. #6548 . Docs here
Fix: cmake_find_package no longer seeks to find packages which are already found. #6389
Bugfix: Fixes the auto-detection of sun-cc compiler when it outputs Studio 12.5 Sun C. #6757
Bugfix: Add values to definitions passed to MSBuild build helper which values are not None (0, False...). #6730
Bugfix: Include name and version in the data from conanbuildinfo.txt, so it is available in self.deps_cpp_info["dep"].version and self.deps_cpp_info["dep"].name, so it can be used in :command:`conan build` and in test_package/conanfile.py. #6723 . Docs here
Bugfix: Fix check_output_runner() to handle dirs with whitespaces. #6703
Bugfix: Fix vcvars_arch usage before assignment, that can cause a crash in tools.vcvars_command() that is also used internally by MSBuild helper. #6675
Bugfix: Silent output from cmake_find_package generator with CONAN_CMAKE_SILENT_OUTPUT. #6672
Bugfix: Use always LF line separator for .sh scripts generated by virtualenv generators. #6670
Bugfix: Use the real settings value to check the compiler and compiler version in the cmake generator local flow when the package_id() method changes values. #6659

1.23.0 (10-Mar-2020)

Feature: New general.parallel_download=<num threads> configuration, for parallel installation of binaries, to speed up populating packages in a cache. #6632 . Docs here
Feature: Fixed inability to run execute test and install separately, that is, without build step. Added meson_test() method, which executes meson test (compared to ninja test in test()). Added meson_install() method, which executes meson install (compared to ninja install in install()). #6574 . Docs here
Feature: Update python six dependency to 1.14.0. #6507
Feature: Add environment variable 'CONAN_V2_MODE' to enable Conan v2 behavior. #6490 . Docs here
Feature: Implement conan graph clean-modified subcommand to be able to clean the modified state of a lockfile and re-use it later for more operations. #6465 . Docs here
Feature: Allow building dependency graphs when using lockfiles even if some requirements are not in the lockfiles. This can happen for example when test_package/conanfile.py has other requirements, as they will not be part of the lockfile. #6457 . Docs here
Feature: Implement a new package-ID computation that includes transitive dependencies even when the direct dependencies have remove them, for example when depending on a header-only library that depends on a static library. #6451 . Docs here
Fix: inspect command can be executed without remote.json (#6558) #6559
Fix: Raise an error if MSBuild argument targets is not a list, instead of splitting a string passed as argument instead of a list. #6555
Bugfix: Check the CMP0091 policy and set CMAKE_MSVC_RUNTIME_LIBRARY accordingly to CONAN_LINK_RUNTIME if it's set to NEW. #6626
Bugfix: Fix error parsing system_libs from conanbuildinfo.txt file. #6616
Bugfix: Environment variables from the profiles are not set in the _conaninfo.txt_ file of the packages exported with the export-pkg command. #6607
BugFix: Set the self.develop=True attribute for recipes when they are used with :command:`conan export-pkg`, in all methods, it was previously only setting it for the package() method. #6585
Bugfix: set CMAKE_OSX_DEPLOYMENT_TARGET for iOS, watchOS and tvOS. #6566
Bugfix: Parse function of GCC version from command line now works with versions >=10. #6551
Bugfix: improve Apple frameworks lookups with CMake integration #6533

1.22.3 (05-Mar-2020)

Bugfix: Fixed crashing of recipes using both python_requires and build_id(). #6618
Bugfix: Conan should not append generator_platform to the Visual Studio generator if it is already specified by the user. #6549

1.22.2 (13-Feb-2020)

Bugfix: Do not re-evaluate lockfiles nodes, only update the package reference, otherwise the build-requires are broken. #6529
Bugfix: Fixing locking system for metadata file so it can be accessed concurrently. #6524

1.22.1 (11-Feb-2020)

Fix: Increase six version to allow more modern releases. #6509
Fix: remove GLOBAL from targets to avoid conflicts when using add_subdirectory. #6488 . Docs here
Fix: Avoid caching revision "0" under api V2 (revisions enabled) in the download cache. #6475 . Docs here
Bugfix: Manage the dirty state of the cache package folder with :command:`conan export-pkg`. #6498
BugFix: Add system_libs to premake generator. #6495
Bugfix: Upload was silently skipping exceptions that could leave the packages dirty. Long uploads or large compressing times in non-terminals (piped output, like in CI systems) crashed, leaving packages dirty too, but not reporting any error. #6486
BugFix: Add quotes to virtualenv scripts, so they don't crash in pure sh shells. #6265

1.22.0 (05-Feb-2020)

Feature: Set conan generated CMake targets as GLOBAL so that they can be used with an ALIAS for consumers. #6438 . Docs here
Feature: Deduce compiler.base.runtime for Intel compiler settings when using Visual Studio as the base compiler. #6424
Feature: Allow defining an extra user-defined properties .props file in MSBuild build helper. #6374 . Docs here
Feature: Force the user to read that Python 2 has been deprecated. #6336 . Docs here
Feature: Add opt-in scm_to_conandata for the SCM feature: Conan will store the data from the SCM attribute in the conandata.yml file (except the fields username and password). #6334 . Docs here
Feature: Implement a download cache, which can be shared and concurrently used among different conan user homes, selectable configuring storage.download_cache in conan.conf. #6287 . Docs here
Feature: Some improvements in the internal of lockfiles. Better ordering of nodes indexes. Separation of requires and build-requires. Better status field, with explicit exported, built values. #6237
Feature: imports functionality can import from "symbolic" names, preceded with @, like @bindirs, @libdirs, etc. This allows importing files from variable package layouts, including custom package_info() layouts (like cpp_info.bindirs = ["mybin"] can be used with src="@bindirs"), and editable package layouts #6208 . Docs here
Feature: Improve output messages for parallel uploads: the text of the uploaded files contains to which packages they belong and the output for CI is clearer. #6184
Feature: Adds vcvars_append variable (defaulting to False) to CMake and Meson build helpers constructors, so when they need to activate the Visual Studio environment via vcvars (for Ninja and NMake generators), the vcvars environment is appended at the end, giving precedence to the environment previously defined. #6000 . Docs here
Fix: Use CCI package reference for example command. #6463
Fix: Generators cmake and cmake_multi use the name defined in cpp_info.name (reverts change from 1.21.1 as stated). #6429
Fix: Cleaning LD_LIBRARY_PATH environment in SCM commands for "pyinstaller" installations, as SSL can fail due to using old SSL stuff from Conan instead from git/svn. #6380
Fix: Recipe substitution for scm (old behavior) fixed for multiline comments in Python 3.8. #6355 . Docs here
Fix: Avoid warning in "detect" process with Python 3.8, due to Popen with bufsize=1 #6333
Fix: Propagate server error (500) in checksum_deploy. #6324
Fix: Fixed wrong CMake command line with -G Visual Studio 15 ARM for armv8 architectures. #6312
Fix: Add all the system_libs and requirements to the CMake targets constructed by the generators. It will impact header-only libraries that are consumed using targets (previously they were missing some information). #6298
Fix: Avoid WindowsStore tools.vcvars() management when the environment is already set. #6296
Fix: When the token is empty, and conan user myuser -p=mypass -r=remote is used, the user-password are send in HttpBasic so it can be used for completely protected servers that do not expose the ping endpoint. #6254
Fix: Add cpp_info.<config> information to cmake_find_package_multi and cmake_find_package generators. #6230 . Docs here
Fix: Multi-generators cannot be used without build_type setting. A failure is forced to cmake_find_package_multi and visual_studio_multi as it was in cmake_multi. #6228
Fix: Fix typo in error message from tools.get(). #6204
Fix: Raise error for symlinks in Windows that point to a different unit. #6201
BugFix: Avoid included profiles overwriting variables in the current profile. #6398
Bugfix: Lockfiles were not correctly applying locked options to packages, which produced incorrect evaluation of requirements() method. #6395
Bugfix: Fix broken compression of .tgz files due to Python 3.8 changing tar default schema. #6355 . Docs here
Bugfix: Include MacOS frameworks definitions in autotools LDFLAGS (also Meson). #6309
Bugfix: Apply system_libs information in autotools build helper. #6309
Bugfix: The environment_append() helper does not modify the argument anymore, which caused problems if the argument was reused. #6285
Bugfix: Include "Package ID Unknown" nodes in conan graph build-order, as they need to be processed in that order. #6251
Bugfix: --raw argument is ignored when searching for a specific reference. #6241
Bugfix: Avoid raising a version conflict error when aliases have not been resolved yet, typically for aliased build-requires that are also in the requires. #6236
Bugfix: :command:`conan inspect` now is able to properly show name and version coming from set_name() and set_version() methods. #6214

1.21.3 (03-Mar-2020)

Bugfix: Fixing locking system for metadata file so it can be accessed concurrently. #6543
Bugfix: Manage the dirty state of the cache package folder with conan export-pkg. #6517
Bugfix: BugFix: Add quotes to virtualenv scripts, so they don't crash in pure sh shells. #6516
Bugfix: Upload was silently skipping exceptions, which could result in packages not uploaded, but user not realizing about the error. #6515
BugFix: Add system_libs to premake generator. #6496

1.21.2 (31-Jan-2020)

Fix: Recipe substitution for scm (old behavior) fixed for multiline comments in Python 3.8 #6439
Bugfix: Fix broken compression of .tgz files due to Python 3.8 changing tar default schema. #6439
Bugfix: Append CONAN_LIBS in cmake generator to avoid overwriting user-defined libs. #6433

1.21.1 (14-Jan-2020)

Fix: Fix options type detection using six.string_types. #6322
Fix: Fix minor issues in cmake and cmake_multi generators: wrong variable used in conan_find_apple_frameworks macro. #6295
Fix: Generators cmake and cmake_multi use the name of the package instead of cpp_info.name (this change is to be reverted in 1.22) #6288
Bugfix: Fixing readout of backslashes for virtualenv generator files so they are not interpreted as escape characters. #6320
Bugfix: Fix uninformative crash when tools.download() gets a 403 and it is not providing an auth field. #6317
Bugfix: Enhance validation of the short_paths_home property to correctly handle the scenarios where it is set to a path that contains the value of the Conan cache path, but is not a subdirectory of it. #6304
Bugfix: Fixes cpp_info.name vs. cpp_info.names issue in pkg_config generator #6223

1.21.0 (10-Dec-2019)

Feature: The generator cmake_find_package_multi generates a PackageConfigVersion.cmake file that allows using find_package with the VERSION argument. #6063 . Docs here
Feature: Settings support for Intel compiler. #6052 . Docs here
Feature: Allow setting different cpp_info name for each generator that supports that property using the new cpp_info.names["generator_name"] property. #6033 . Docs here
Feature: Provide _INCLUDE_DIR variables in the cmake_find_package generator #6017
Feature: Information in the artifacts.properties file is sent using matrix-params too when a package is uploaded to a server (if it has the capability). This will be the recommended way to send these properties to Artifactory (release TBD) to bypass Nginx blocking properties with periods. #6014 . Docs here
Feature: New tools.check_min_cppstd and tools.valid_min_cppstd to check if the cppstd version is valid for a specific package. #5997 . Docs here
Feature: New parameter for tools.patch to opt-in applying fuzzy patches. #5996 . Docs here
Feature: Environment variables for virtual environments are stored in .env files containing just the key-value pairs. It will help other processes that need to read these variables to run their own commands. #5989
Feature: New argument of :command:`conan upload` command --parallel to upload packages using multithreading. #5856 . Docs here
Feature: New python_requires declared as Conanfile class attributes. Includes extension of base class, they affect the binary packageID with minor_mode default mode. They are also locked in lockfiles. #5804 . Docs here
Feature: Accept logging level as logging names #5772 . Docs here
Fix: Add the RES_DIRS as variable to the variables when using the cmake_find_package generator. #6166
Fix: Fix SyntaxWarning when comparing a literal with for identity in Python 3.8 #6165
Fix: Remove recipe linter from codebase, it is no longer a built-in feature. It has been moved to hooks. Install the hook and update your "conan.conf" to activate it. #6152 . Docs here
Fix: Make lockfiles invariant when the graph doesn't change. Now 2 different lockfiles captured with the same resulting graph in 2 different instants will be identical. #6139
Fix: Make the compatible_packages feature to follow the --build=missing build policy. Packages that find a compatible binary will not fire a binary build with the "missing" build policy. #6134 . Docs here
Fix: Fix create command build policy help message to reflect correct behavior. #6131 . Docs here
Fix: Improved error message when sources can't be retrieved from remote #6085
Fix: Raise a meaningful error when the settings.yml file is invalid #6059
Fix: Move the warning about mixing 'os' and 'os_build' to just before the pre_export stage #6021
Bugfix: Implement SystemPackageTool.installed(package_name) as described in the documentation. #6198
Bugfix: Remove carriage returns from build info .json file to avoid Artifactory errors in some cases when publishing the build info to the remote. #6180
Bugfix: Upload correct packages when specifying revisions and fail with incorrect ones. #6143
Bugfix: Fix different problems when using :command:`conan download` with revisions. #6138
Bugfix: Make sure set_version() runs in the conanfile.py folder, not in the current folder, so relative paths are not broken if executing from a different location. #6130 . Docs here
Bugfix: Fix the help message for :command:`conan export-pkg` command for the --options parameter. #6092
Bugfix: Use a context manager to change the folder during build_package to avoid propagating the directory change to other tasks. #6060
Bugfix: The AutoToolsBuildEnvironment build helper now uses the win_bash parameter of the constructor when calling to configure(). #6026
Bugfix: Conan's virtualenvironments restore the environment to the state it was before activating them (previously it was restored to the state it was when the :command:`conan install` was run). #5989

1.20.5 (3-Dec-2019)

Bugfix: Removing --skip-env and --multi-module arguments for conan_build_info --v2. Now the environment is not captured (will be handled by the Artifactory plugin) and recipes and packages are saved as different modules in build info. #6169 . Docs here

1.20.4 (19-Nov-2019)

Feature: Added traces to check_output internal call to log the called command and the output as INFO traces (can be adjusted with export CONAN_LOGGING_LEVEL=20) #6091
Bugfix: Using scm with auto values with a conanfile.py not being in the root scm folder it failed to export the right source code directory if not using --ignore-dirty and the repo was not pristine. #6098
Bugfix: Fix conan_build_info command when conan_sources.tgz not present in remote. #6088

1.20.3 (11-Nov-2019)

Bugfix: Using the scm feature with auto fields was not using correctly the freeze sources from the local user directory from the second call to :command:`conan create`. #6048
Bugfix: Each Apple framework found using CMake find_library is stored in a different CONAN_FRAMEWORK_<name>_FOUND variable #6042

1.20.2 (6-Nov-2019)

Bugfix: Fix Six package version to be compatible with Astroid #6031

1.20.1 (5-Nov-2019)

Bugfix: Fixed authentication with an Artifactory repository without anonymous access enabled. #6022

1.20.0 (4-Nov-2019)

Feature: Provide CONAN_FRAMEWORKS and CONAN_FRAMEWORKS_FOUND for Apple frameworks in CMake generators and conan_find_apple_frameworks() macro helper in CMake generators. #6003 . Docs here
Feature: Saving profile list as a json file #5954 . Docs here
Feature: Improve conan_build_info command maintaining old functionality. #5950 . Docs here
Feature: Add --json `argument to the `config home subcommand to output the result to a JSON file. #5946 . Docs here
Feature: Add cpp_info.build_modules to manage build system modules like additional CMake functions in packages #5940 . Docs here
Feature: Add support for Clang 10. #5936
Feature: Store md5 and sha1 checksums of downloaded and uploaded packages in metadata.json. #5910
Feature: Allow the possibility to avoid x86_64 to x86 building when cross-building. #5904 . Docs here
Feature: Allow to specify encoding for tools.load, tools.save and tools.replace_in_files. #5902 . Docs here
Feature: Add support for gcc 7.4. #5898 . Docs here
Feature: New set_name() and set_version() member methods to dynamically obtain the name and version (at export time). #5881 . Docs here
Feature: New binary compatibility mode. Recipes can define in their package_id() an ordered list of binary package variants that would be binary compatible with the default one. These variants will be checked in order if the main package ID is not found (missing), and the first one will be installed and used. #5837 . Docs here
Feature: Support for DNF system package manager (Fedora 31+ and others) when present. #5791 . Docs here
Feature: Refactor Conan Upload, Download and Compress progress bars. #5763
Feature: Add system_deps attribute for cpp_info and deps_cpp_info. #5582 . Docs here
Feature: The scm feature does not replace the scm.revision="auto" field with the commit when uncommitted changes unless --scm-dirty argument is specified. The recipe in the local cache will be kept with revision=auto. #5543 . Docs here
Feature: The :command:`conan upload` command forbids to upload a recipe that uses the scm feature containing revision=auto or url=auto, unless --force is used. #5543 . Docs here
Feature: The scm feature captures the local sources in the local cache during the export, avoiding later issues of modified local sources. #5543 . Docs here
Fix: Deprecate argument --build-order in :command:`conan info` command. #5965 . Docs here
Fix: Avoid doing complex conan search --query in the server, do them always in the client. #5960
Fix: Improved conan remove --help message for --packages #5899
Fix: Improved cmake compiler check message to explain the problem with different compiler versions when installing dependencies #5858
Fix: Adds support for transitive dependencies to b2 generator. #5812
Fix: Add support for recipes without settings.compiler in b2 generator. #5810
Fix: Add and remove out-of-tree git patches (#5320) #5761
Fix: Add quiet output for inspect --raw. #5702
Bugfix: Allow :command:`conan download` for packages without user/channel #6010
Bugfix: Avoid erroneous case-sensitive conflict for packages without user/channel. #5981
Bugfix: Fix crashing when using lockfiles with a conanfile.txt instead of conanfile.py. #5894
Bugfix: Fix incorrect propagation of build-requires to downstream consumers, resulting in missing dependencies in deps_cpp_info. #5886
Bugfix: Adds the short_paths_home property to ConanClientConfigParser to validate that it is not a subdirectory of the conan cache. #5864 . Docs here
Bugfix: Use imported python requires' short_path value instead of the defined in the conanfile that imports it. #5841
Bugfix: Avoid repeated copies of absolute paths when using self.copy(). #5792
Bugfix: Downstream overrides to exact dependencies versions are always used, even if the upstream has a version range that does not satisfy the override. #5713

1.19.3 (29-Oct-2019)

Fix: Fixed range of pylint and astroid requirements to keep compatibility with python 2 #5987
Fix: Force conan search --query queries to be resolved always in the client to avoid servers failures due to unsupported syntax #5970
Bugfix: Use cpp_info.name lower case in pkg-config generator when defined #5988
Bugfix: Fix cpp_info.name not used in cmake find generators for dependencies #5973
Bugfix: Fixed bug when overriden dependencies that don't exist and make the CMake generated code crash #5971
Bugfix: Fixed bug when overriden dependencies that don't exist and make the CMake generated code crash #5945

1.19.2 (16-Oct-2019)

Feature: Implement self.info.shared_library_package_id() to better manage shared libraries package-ID, specially when they depend on static libraries #5893 . Docs here
Bugfix: Allow conan install pkg/[*]@user/channel resolving to a reference, not a path. #5908
Bugfix: The dependency overriding mechanism was not working properly when using the same version with different build metadata (1.2.0+xyz vs 1.2.0+abc). #5903
Bugfix: Artifactory was returning an error on the first login attempt because the server capabilities were not assigned correctly. #5880
Bugfix: conan export failed if there is no user/channel and a lockfile is applied #5875
Bugfix: SCM component failed for url pointing to local path in Windows with backslash. #5875
Bugfix: Fix conan graph build-order output so it uses references including its recipe revision #5863

1.19.1 (3-Oct-2019)

Bugfix: Use imported python requires' short_path value instead of the defined in the conanfile that imports it. #5849
Bugfix: Fix regression in visual_studio generator adding a <Lib> task. #5846 . Docs here

1.19.0 (30-Sept-2019)

Feature: Update settings.yml file with macOS, watchOS, tvOS, iOS version numbers #5823
Feature: Add clang 9 to the settings.yml file #5786 . Docs here
Feature: Show suggestions when typing an incorrect command conan command. #5725
Feature: Client support for using refresh tokens in the auth process with Artifactory. #5662
Feature: Add GCC 9.2 to default settings.yml file #5650 . Docs here
Feature: Add subcommand for enabling and disabling remotes #5623 . Docs here
Feature: New conan config home command for getting Conan home directory #5613 . Docs here
Feature: Adds name attribute to CppInfo and use cpp_info.name in all CMake and pkg-config generators as the find scripts files names, target names, etc. #5598 . Docs here
Feature: Enhanced vs-generator by providing more properties that can be referenced by other projects; added library paths also to <Lib> so it's possible to compile static libraries that reference other libs #5564
Feature: Better support OSX frameworks by declaring cppinfo.frameworks. #5552 . Docs here
Feature: Virtual environment generator for gathering only the PYTHONPATH. #5511 . Docs here
Fix: :command:`conan upload` with a reference without user and channel and package id name/version:package_id should work #5824
Fix: Dropped support for python 3.4. That version is widely being dropped by the python community. Since Conan 1.19, the tests won't be run with python 3.4 and we won't be aware if something is not working correctly. #5820 . Docs here
Fix: Apply lockfile to the node before updating with downstream requirements #5771
Fix: Make :command:`conan new` generate default options as a dictionary #5767
Fix: Output search result for remotes in order by version, as local search #5723
Fix: Excluded also ftp_proxy and all_proxy variables from the environment when proxy configuration is specified in the conan.conf file. #5697
Fix: Relax restriction on the future python dependency #5692
Fix: Call post_package hook before computing the manifest #5647
Fix: Show friendly message when can't get remote path #5638
Fix: Detect the number of CPUs used by Docker (#5464) #5466 . Docs here
Bugfix: Set Ninja to use cpu_count value when building with parallel option with CMake #5832
Bugfix: output of references without user/channel is done with _/_, like in lockfiles. #5817
Bugfix: A lockfile generated from a consumer should be able to generate a build-order too. #5800
Bugfix: Fix system detection on Solaris. #5630
Bugfix: SVN uses username and password if provided #5601
Bugfix: Use the final package folder as the conanfile.package_folder attribute for the pre_package hook. #5600
BugFix: Fix crash with custom generators using install_folder #5569

1.18.5 (24-Sept-2019)

Bugfix: A bug in urllib3 caused bad encoded URLs causing failures when using any repository from Bintray, like conan-center. #5801

1.18.4 (12-Sept-2019)

Fix: package_id should be used for recipe_revision_mode #5729 . Docs here

1.18.3 (10-Sept-2019)

Fix: Version ranges resolution using references without user/channel #5707

1.18.2 (30-Aug-2019)

Feature: Add opt-out for Git shallow clone in SCM feature #5677 . Docs here
Fix: Use the value of argument useEnv provided by the user to the MSBuild helper also to adjust /p:UseEnv=false when the arg is False. #5609
Bugfix: Fixed assertion when using nested build_requires that depend on packages that are also used in the main dependency graph #5689
Bugfix: When Artifactory doesn't have the anonymous access activated, the conan client wasn't able to capture the server capabilities and therefore never used the revisions mechanism. #5688
Bugfix: When no user/channel is specified creating a package, upload it to a remote using None as the "folder" in the storage, instead of _. #5671
Bugfix: Using the version ranges mechanism Conan wasn't able to resolve the correct reference if a library with the same name but different user/channel was found in an earlier remote. #5657
Bugfix: Broken cache package collection for packages without user/channel #5607

1.18.1 (8-Aug-2019)

Bugfix: The scm feature was trying to run a checkout after a shallow clone. #5571

1.18.0 (30-Jul-2019)

Feature: The "user/channel" fields are now optional. e.g: conan create . is valid if the name and version are declared in the recipe. e.g: conan create . lib/1.0@ to omit user and channel. The same for other commands. The user and channel can also be omitted while specifying requirements in the conanfiles. #5381 . Docs here
Feature: Output current revision from references in local cache when using a pattern #5537 . Docs here
Feature: New parameter --skip-auth for the :command:`conan user` command to avoid trying to authenticate when the client already has credentials stored. #5532 . Docs here
Feature: Allow patterns in per-package settings definitions, not only the package name #5523 . Docs here
Feature: Search custom settings (#5378) #5521 . Docs here
Feature: shallow git clone #5514 . Docs here
Fix: Remove conan graph clean-modified command, it is automatic and no longer necessary. #5533 . Docs here
Fix: Incomplete references (for local conanfile.py files) are not printed with @None/None anymore. #5509
Fix: Discard empty string values in SCM including subfolder #5459
Bugfix: The stderr was not printed when a command failed running the tools.check_output function. #5548
Bugfix: Avoid dependency (mainly build-requires) being marked as skipped when another node exists in the graph that is being skipped because of being private #5547
Bugfix: fix processing of UTF-8 files with BOM #5506
Bugfix: apply http.sslVerify to the current Git command only #5470
Bugfix: Do not raise when accessing the metadata of editable packages #5461
Bugfix: Use cxxFlags instead of cppFlags in qbs generator. #5452 . Docs here

1.17.2 (25-Jul-2019)

Bugfix: Lock transitive python-requires in lockfiles, not only direct ones. #5531

1.17.1 (22-Jul-2019)

Feature: support 7.1 clang version #5492
Bugfix: When a profile was detected, for GCC 5.X the warning message about the default libcxx was not shown. #5524
Bugfix: Update python-dateutil dependency to ensure availability of dateutil.parser.isoparse #5485
Bugfix: Solve regression in conan info <ref> command, incorrectly reading the graph_info.json and lockfiles #5481
Bugfix: Trailing files left when packages are not found in conan info and install, restricted further installs with different case in Windows, without rm -rf ~/.conan/data/pkg_name #5480
Bugfix: The lock files mechanism now allows to update a node providing new information, like a retrieved package revision, if the "base" reference was the same. #5467
Bugfix: search command table output has invalid HTML code syntax #5460

1.17.0 (9-Jul-2019)

Feature: Better UX for no_proxy (#3943) #5438 . Docs here
Feature: Show warning when URLs for remotes is invalid (missing schema, host, etc). #5418
Feature: Implementation of lockfiles. Lockfiles store in a file all the configuration, exact versions (including revisions), necessary to achieve reproducible builds, even when using version-ranges or package revisions. #5412 . Docs here
Feature: Change progress bar output to tqdm to make it look better #5407
Feature: Define 2 new modes and helpers for the package binary ID: recipe_revision_mode and package_revision_mode, that take into account the revisions. The second one will use all the information from dependencies, resulting in fully deterministic and complete package IDs: if some dependency change, it will be necessary to build a new binary of consumers #5363 . Docs here
Feature: Add apple-clang 11.0 to settings.yml (#5328) #5357 . Docs here
Feature: SystemPackageTool platform detection (#5026) #5215 . Docs here
Fix: Enable the definition of revisions in conanfile.txt #5435
Fix: Improve resolution of version ranges for remotes #5433
Fix: The conan process returns 6 when a ConanInvalidConfiguration is thrown during :command:`conan info`. #5421
Fix: Inspect missing attribute is not an error (#3953) #5419
Fix: Allow --build-order and --graph together for conan info (#3447) #5417
Fix: Handling error when reference not found using conan download #5399
Fix: Update Yum cache (#5370) #5387
Fix: Remove old folder for conan install (#5376) #5384
Fix: Add missing call to super constructor to VirtualEnvGenerator. #5375
Fix: Force forward slashes in the variable $PROFILE_DIR #5373 . Docs here
Fix: Accept a list for the requires attribute #5371 . Docs here
Fix: Remove packages when version is asterisk (#5297) #5346
Fix: Make conan_data visible to pylint (#5327) #5337
Fix: Improve the output to show the remote (or cache) that a version range is resolved to. #5336
Fix: Deprecated conan copy|download|upload <ref> -p=ID, use conan .... <pref> instead #5293 . Docs here
Fix: AutoToolsBuildEnvironment is now aware of os_target and arch_target to calculate the gnu triplet when declared. #5283
Fix: Better message for gcc warning of libstdc++ at default profile detection #5275
Bugfix: verify_ssl field in SCM being discarded when used with False value. #5441
Bugfix: enable retry for requests #5400
Bugfix: Allow creation and deletion of files in tools.patch with strip>0 #5334
Bugfix: Use case insensitive comparison for SHA256 checksums #5306

1.16.1 (14-Jun-2019)

Feature: Print nicer error messages when receive an error from Artifactory. #5326
Fix: Make conan config get storage.path return an absolute, resolved path #5350
Fix: Skipped the compiler version check in the cmake generator when a -s compiler.toolset is specified (Visual Studio). #5348
Fix: Constraint transitive dependency typed-ast (required by astroid) in python3.4, as they stopped releasing wheels, and it fails to build in some Windows platforms with older SDKs. #5324
Fix: Accept v140 and VS 15.0 for CMake generator (#5318) #5321
Fix: Accept only .lib and .dll as Visual extensions (#5316) #5319
Bugfix: Do not copy directories inside a symlinked one #5342
Bugfix: Conan was retrying the upload when failed with error 400 (request error). #5326

1.16.0 (4-Jun-2019)

Feature: The :command:`conan upload` command can receive now the full package reference to upload a binary package. The -p argument is now deprecated. #5224 . Docs here
Feature: Add hooks pre_package_info and post_package_info #5223 . Docs here
Feature: New build mode --build cascade that forces building from sources any node with dependencies also built from sources. #5218 . Docs here
Feature: Print errors and warnings to stderr #5206
Feature: New conan new --template=mytemplate to initialize recipes with your own templates #5189 . Docs here
Feature: Allow using wildcards to remove system requirements sentinel from cache. #5176 . Docs here
Feature: Implement conan.conf retry and retry-wait and CONAN_RETRY and CONAN_RETRY_WAIT to configure all retries for all transfers, including upload, download, and tools.download(). #5174 . Docs here
Feature: Support yaml lists in workspace root field. #5156 . Docs here
Feature: Add gcc 8.3 and 9.1 new versions to default settings.yml #5112
Feature: Retry upload or download for error in response message (e.g. status is '500') #4984
Fix: Do not retry file transfer operations for 401 and 403 auth and permissions errors. #5278
Fix: Copy symlinked folder when using merge_directories function #5237
Fix: Add the ability to avoid the /verbosity argument in CMake command line for MSBuild #5220 . Docs here
Fix: self.copy with symlinks=True does not copy symlink if the .conan directory is a symlink #5114 #5125
Fix: Export detected_os from tools.oss (#5101) #5102 . Docs here
Fix: Use revision as the SVN's peg_revision (broken for an edge case) #5029
Bugfix: --update was not updating python_requires using version ranges. #5265
Bugfix: visual_studio generator only adds ".lib" extension for lib names without extension, otherwise (like ".a") respect it. #5254
Bugfix: Fix :command:`conan search` command showing revisions timestamps in a different time offset than UTC. #5232
Bugfix: Meson build-helper gets correct compiler flags, AutoTools build environment adds compiler.runtime flags #5222
Bugfix: The cmake_multi generator was not managing correctly the RelWithDebInfo and MinSizeRel build types. #5221
Bugfix: Check that registry file exists before removing it #5219
Bugfix: do not append "-T " if generator doesn't support it #5201
Bugfix: :command:`conan download` always retrieve the sources, also with --recipe argument, which should only skip download binaries, not the sources. #5194
Bugfix: Using scm declared in a superclass failed exporting the recipe with the error ERROR: The conanfile.py defines more than one class level 'scm' attribute. #5185
Bugfix: Conan command returns 6 (Invalid configuration) also when the settings are restricted in the recipe #5178
Bugfix: Make sure that proxy "http_proxy", "https_proxy", "no_proxy" vars are correctly removed if custom ones are defined in the conan.conf. Also, avoid using urllib.request.getproxies(), they are broken. #5162
Bugfix: Use copy() for deploy generator so that permissions of files are preserved. Required if you want to use the deploy generator to deploy executables. #5136

1.15.4

Fix: Accept v140 and VS 15.0 for CMake generator (#5318) #5331
Fix: Constraint transitive dependency typed-ast (required by astroid) in python3.4, as they stopped releasing wheels, and it fails to build in some Windows platforms with older SDKs. #5331

1.15.3

Please, do not use this version, there was a critical error in the release process and changes from the 1.16 branch were merged.

1.15.2 (31-May-2019)

Bugfix: Fix bug with python-requires not being updated with --update if using version-ranges. #5266
Bugfix: Fix computation of ancestors performance regression #5260

1.15.1 (16-May-2019)

Fix: Fix regression of conan remote update --insert using the same URL it had before #5110
Fix: Fix migration of registry.json|txt file including reference to non existing remotes. #5103
Bugfix: Avoid crash of commands copy, imports, editable-add for packages using python_requires #5150

1.15.0 (6-May-2019)

Feature: Updated the generated conanfile.py in :command:`conan new` to the new conan-io/hello repository #5069 . Docs here
Feature: The MSBuild build helper allows the parameter toolset with False value to skip the toolset adjustment. #5052 . Docs here
Feature: Add GCC 9 to default settings.yml #5046 . Docs here
Feature: You can disable broken symlinks checks when packaging using CONAN_SKIP_BROKEN_SYMLINKS_CHECK env var or config.skip_broken_symlinks_check=1 #4991 . Docs here
Feature: New deploy generator to export files from a dependency graph to an installation folder #4972 . Docs here
Feature: Create tools.Version with _limited_ capabilities #4963 . Docs here
Feature: Default filename for workspaces: conanws.yml (used in install command) #4941 . Docs here
Feature: Add install folder to command 'conan workspace install' #4940 . Docs here
Feature: Add compiler.cppstd setting (mark cppstd as deprecated) #4917 . Docs here
Feature: Add a --raw argument to :command:`conan inspect` command to get an output only with the value of the requested attributes #4903 . Docs here
Feature: tools.get() and tools.unzip() now handle also .gz compressed files #4883 . Docs here
Feature: Add argument --force to command profile new to overwrite existing one #4880 . Docs here
Feature: Get commit message #4877 . Docs here
Fix: Remove sudo from Travis CI template #5073 . Docs here
Fix: Handle quoted path and libraries in the premake generator #5051
Fix: A simple addition to ensure right compiler version is found on windows. #5041
Fix: Include CMAKE_MODULE_PATH for CMake find_dependency (#4956) #5021
Fix: Add default_package_id_mode in the default conan.conf (#4947) #5005 . Docs here
Fix: Use back slashes for visual_studio generator instead of forward slashes #5003
Fix: Adding subparsers.required = True makes both Py2 and Py3 print an error when no arguments are entered in commands that have subarguments #4902
Fix: Example bare package recipe excludes conanfile.py from copy #4892
Fix: More meaningful error message when a remote communication fails to try to download a binary package. #4888
Bugfix: conan upload --force force also the upload of package binaries, not only recipes #5088
BugFix: MSYS 3.x detection #5078
Bugfix: Don't crash when an editable declare a build_folder in the layout, but not used in a workspace #5070
Bugfix: Made compatible the cmake_find_package_multi generator with CMake < 3.9 #5042
Bugfix: Fix broken local development flow (:command:`conan source`, :command:`conan build`, :command:`conan package`, :command:`conan export-pkg`) with recipes with python-requires #4979
Bugfix: 'tar_extract' function was failing if there was a linked folder in the working dir that matches one inside the tar file. Now we use the destination_dir as base directory to check this condition. #4965
Bugfix: Remove package folder in :command:`conan create` even when using --keep-build #4918

1.14.5 (30-Apr-2019)

Bugfix: Uncompressing a tgz package with a broken symlink failed while touching the destination file. #5065
Bugfix: The symlinks compressed in a tgz had invalid nonzero size. #5064
Bugfix: Fixing exception of transitive build-requires mixed with normal requires #5056

1.14.4 (25-Apr-2019)

Bugfix: Fixed error while using Visual Studio 2019 with Ninja generator. #5028
Bugfix: Fixed error while using Visual Studio 2019 with Ninja generator. #5025
Bugfix: Solved errors in concurrent uploads of same recipe #5014
Bugfix: Fixed a bug that intermittently raised ERROR: 'NoneType' object has no attribute 'file_sums' when uploading a recipe. #5012
Bugfix: Bug in cmake_find_package_multi caused CMake to find incorrect modules in CMake modules paths when only Config files should be taken into account. #4995
Bugfix: Fix skipping binaries because of transitive private requirements #4987
Bugfix: Fix broken local development flow (conan source, conan build, conan package, conan export-pkg) with recipes with python-requires #4983

1.14.3 (11-Apr-2019)

Bugfix: build-requires and private requirements that resolve to a dependency that is already in the graph won't span a new node, nor will be build-requires or private. They can conflict too. #4937

1.14.2 (11-Apr-2019)

Bugfix: Run a full metadata migration in the cache to avoid old null revisions in package metadata #4934

1.14.1 (1-Apr-2019)

Fix: Print a message for unhandled Conan errors building the API and collaborators #4869
Bugfix: Client does not require credentials for anonymous downloads from remotes. #4872
Bugfix: Fix a migration problem of conan config install for Conan versions 1.9 and older #4870
Feature: Now Conan will crush your enemies, see them driven before you, and to hear the lamentation of their women! (April's fools)

1.14.0 (28-Mar-2019)

Feature: support new architectures s390 and s390x #4810 . Docs here
Feature: --build parameter now applies fnmatching onto the whole reference, allowing to control rebuilding in a much broader way. #4787 . Docs here
Feature: Add config variable general.error_on_override and environment variable CONAN_ERROR_ON_OVERRIDE (defaulting to False) to configure if an overridden requirement should raise an error when overridden from downstream consumers. #4771 . Docs here
Feature: Allow to specify revision_mode for each recipe, values accepted are scm or hash (default) #4767 . Docs here
Feature: Sort library list name when calling tools.collect_libs #4761 . Docs here
Feature: Add cmake_find_package_multi generator. #4714 . Docs here
Feature: Implement --source-folder and --target-folder to conan config install command to select subfolder to install from the source origin, and also the destination folder within the cache. #4709 . Docs here
Feature: Implement --update argument for python-requires too. #4660
Fix: Apply environment variables from profile and from requirements to :command:`conan export-pkg` #4852
Fix: Do not run export_sources automatically for python_requires #4838
Fix: Show the correct profile name when detect a new one (#4818) #4824
Fix: Allow using reference object in workspaces in templates for out of source builds #4812 . Docs here
Fix: Look for vswhere in PATH when using tools.vswhere() #4805
Fix: SystemPackageTools doesn't run sudo when it's not found (#4470) #4774 . Docs here
Fix: Show warning if repo is not pristine and using SCM mode to set the revisions #4764
Fix: avoid double call to package() method #4748 . Docs here
Fix: The cmake_paths generator now declares the CONAN_XXX_ROOT variables in case some exported cmake module file like XXXConfig.cmake has been patched with the cmake.patch_config_paths() to replace absolute paths to the local cache. #4719 . Docs here
Fix: Do not distribute the tests in the python package nor in the installers. #4713
Fix: add support for CMake generator platform #4708 . Docs here
Fix: Fix corrupted packages with missing conanmanifest.txt files #4662
Fix: Include information about all the configurations in the JSON generator #4657 . Docs here
Bugfix: Fixed authentication management when a server returns 401 uploading a file. #4857
Bugfix: Fixed recipe revision detection when some error output or unexpected output was printed to the stdout running the git command. #4854
Bugfix: The error output was piped to stdout causing issues while running git commands, especially during the detection of the scm revision #4853
Bugfix: :command:`conan export-pkg` should never resolve build-requires #4851
bugfix: The --build pattern was case sensitive depending on the os file system, now it is always case sensitive, following the :command:`conan search` behavior. #4842
Bugfix: Fix metadata not being updated for :command:`conan export-pkg` when using --package-folder #4834
Bugfix: --build parameter now is always case-sensitive, previously it depended to the file system type. #4787 . Docs here
Bugfix: Raise an error if source files cannot be correctly copied to build folder because of long paths in Windows. #4766
Bugfix: Use the same interface in conan_basic_setup() for the cmake_multi generator #4721 . Docs here

1.13.3 (27-Mar-2019)

Bugfix: Revision computation failed when a git repo was present but without commits #4830

1.13.2 (21-Mar-2019)

Bugfix: Installing a reference with "update" and "build outdated" options raised an exception. #4790
Bugfix: Solved bug with build-requires transitive build-requires #4783
Bugfix: Fixed workspace crash when no layout was specified #4783
Bugfix: Do not generate multiple add_subdirectories() for workspaces build-requires #4783

1.13.1 (15-Mar-2019)

Bugfix: Fix computation of graph when transitive diamonds are processed. #4737

1.13.0 (07-Mar-2019)

Feature: Added with_login parameter to tools.run_in_windows_bash() #4673 . Docs here
Feature: The deb and windows Conan installers now use Python 3. #4663
Feature: Allow configuring in conan.conf a different default package_id mode. #4644 . Docs here
Feature: Apply Jinja2 to layout files before parsing them #4596 . Docs here
Feature: Accept a PackageReference for the command :command:`conan get` (argument -p is accepted, but hidden) #4494 . Docs here
Feature: Re-implement Workspaces based on Editable packages. #4481 . Docs here
Feature: Removed old "compatibility" mode of revisions. #4462 . Docs here
Fix: When revisions enabled, add the revision to the json output of the info/install commands. #4667
Fix: JSON output for multi_config now works in install and create commands #4656
Fix: Deprecate 'cppflags' in favor of 'cxxflags' in class CppInfo #4611 . Docs here
Fix: Return empty list if env variable is an empty string #4594
Fix: conan profile list will now recursively list profiles. #4591
Fix: Instance of 'TestConan' has no 'install_folder' member when exporting recipe #4585
Fix: SCM replacement with comments below it #4580
Fix: Remove package references associated to a remote in registry.json when that remote is deleted #4568
Fix: Fixed issue with Artifactory when the anonymous user is enabled, causing the uploads to fail without requesting the user and password. #4526
Fix: Do not allow an alias to override an existing package #4495
Fix: Do not display the warning when there are files in the package folder (#4438). #4464
Fix: Renamed the :command:`conan link` command to :command:`conan editable` to put packages into editable mode. #4481 . Docs here
Bugfix: Solve problem with loading recipe python files in Python 3.7 because of module.__file__ = None #4669
Bugfix: Do not attempt to upload non-existing packages, due to empty short_paths folders, or to explicit upload -p=id command. #4615
Bugfix: Fix LIB overwrite in virtualbuildenv generator #4583
Bugfix: Avoid str(self.settings.xxx) crash when the value is None. #4571 . Docs here
Bugfix: Build-requires expand over the closure of the package they apply to, so they can create conflicts too. Previously, those conflicts were silently skipped, and builds would use an undetermined version and configuration of dependencies. #4514
Bugfix: meson build type actually reflects recipe shared option #4489
Bugfix: Fixed several bugs related to revisions. #4462 . Docs here
Bugfix: Fixed several bugs related to the package metadata.json #4462 . Docs here

1.12.3 (18-Feb-2019)

Fix: Fix potential downgrade from future 1.13 to 1.12 #4547
Fix: Remove output warnings in MSBuild helper. #4518
Fix: Revert default cmake generator on Windows (#4265) #4509 . Docs here
Bugfix: Fixed problem with conanfile.txt [imports] sections using the '@' character. #4539 . Docs here
Bugfix: Fix search packages function when remote is called all #4502

1.12.2 (8-Feb-2019)

Bugfix: Regression in MSBuild helper, incorrectly ignoring the conan_build.props file because of using a relative path instead of absolute one. #4488

1.12.1 (5-Feb-2019)

Bugfix: GraphInfo parsing of existing graph_info.json files raises KeyError over "root". #4458
Bugfix: Transitive Editable packages fail to install #4448

1.12.0 (30-Jan-2019)

Feature: Add JSON output to 'info' command #4359 . Docs here
Feature: Remove system requirements conan folders (not installed binaries) from cache #4354 . Docs here
Feature: Updated CONTRIBUTING.md with code style #4348
Feature: Updated OS versions for apple products #4345
Feature: add environment variable CONAN_CACHE_NO_LOCKS to simplify debugging #4309 . Docs here
Feature: The commands :command:`conan install`, :command:`conan info`, :command:`conan create` and :command:`conan export-pkg` now can receive multiple profile arguments. The applied profile will be the composition of them, prioritizing the latest applied. #4308 . Docs here
Feature: Added get_tag() methods to tools.Git() and tools.SVN() helpers. #4306 . Docs here
Feature: Package reference is now accepted as an argument in conan install --build #4305 . Docs here
Feature: define environment variables for CTest #4299 . Docs here
Feature: Added a configuration entry at the conan.conf file to be able to specify a custom CMake executable. #4298 . Docs here
Feature: Skip "README.md" and "LICENSE.txt" during the installation of a custom config via conan config install. #4259 . Docs here
Feature: allow to specify MSBuild verbosity level #4251 . Docs here
Feature: add definitions to MSBuild build helper (and tools.build_sln_command()) #4239 . Docs here
Feature: Generate deterministic short paths on Windows #4238
Feature: The tools.environment_append() now accepts unsetting variables by means of appending such variable with a value equal to None. #4224 . Docs here
Feature: Enable a new reference argument in conan install <path> <reference>, where reference can be a partial reference too (identical to what is passed to :command:`conan create` or :command:`conan export`. This allows defining all pkg,version,user,channel fields of the recipe for the local flow. #4197 . Docs here
Feature: Added support for new architecture ppc32 #4195 . Docs here
Feature: Added support for new architecture armv8.3 #4195 . Docs here
Feature: Added support for new architecture armv8_32 #4195 . Docs here
Feature: Add experimental support for packages in editable mode #4181 . Docs here
Fix: Conditionally expand list-like environment variables in virtualenv generator #4396
Fix: get_cross_building_settings for MSYS #4390
Fix: Implemented retrial of output to stdout stream when the OS (Windows) is holding it and producing IOError for output #4375
Fix: Validate CONAN_CPU_COUNT and output user-friendly message for invalid values #4372
Fix: Map cpp_info.cppflags to CONAN_CXXFLAGS in make generator. #4349 . Docs here
Fix: Use *_DIRS instead of *_PATHS ending for varaibles generated by the make generator: INCLUDE_DIRS, LIB_DIRS, BIN_DIRS, BUILD_DIRS and RES_DIRS #4349 . Docs here
Fix: Bumped requirement of pyOpenSSL on OSX to >=16.0.0, <19.0.0 #4333
Fix: Fixed a bug in the migration of the server storage to the revisions layout. #4325
Fix: ensure tools.environment_append doesn't raise trying to unset variables #4324 . Docs here
Fix: Improve error message when a server (like a proxy), returns 200-OK for a conan api call, but with an unexpected message. #4317
Fix: ensure is_windows, detect_windows_subsystem, uname work under MSYS/Cygwin #4313
Fix: uname shouldn't use -o flag, which is GNU extention #4311
Fix: get_branch() method of tools.SVN() helper now returns only the branch name, not the tag when present. #4306 . Docs here
Fix: Conan client now always include the X-Checksum-Sha1 header in the file uploads, not only when checking if the file is already there with a remote supporting checksum deploy (Artifactory) #4303
Fix: SCM optimization related to scm_folder.txt is taken into account only for packages under development. #4301
Fix: Update premake generator, rename conanbuildinfo.premake -> conanbuildinfo.premake.lua, conan_cppdefines -> conan_defines #4296 . Docs here
Fix: Using yaml.safe_load instead of load #4285
Fix: Fixes default CMake generator on Windows to use MinGW Makefiles. #4281 . Docs here
Fix: Visual Studio toolset is passed from settings to the MSBuild helper #4250 . Docs here
Fix: Handle corner cases related to SCM with local sources optimization #4249
Fix: Allow referring to projects created by b2 generator for dependencies with absolute paths. #4211
Fix: Credentials are removed from SCM url attribute if Conan is automatically resolving it. #4207 . Docs here
Fix: Remove client/server versions check on every request. Return server capabilities only in ping endpoint. #4205
Fix: Updated contributing guidelines to the new workflow #4173
Bugfix: Fixes config install when copying hooks #4412
BugFix: Meson generator was failing in case of package_folder == None (test_package using Meson) #4391
BugFix: Prepend environment variables are applied twice in conanfile #4380
Bugfix: Caching of several internal loaders broke the conan_api usage #4362
Bugfix: Removing usage of FileNotFoundError which is Py3 only #4361
Bugfix: Custom generator allow to use imports #4358 . Docs here
Bugfix: conanbuildinfo.cmake won't fail if project() LANGUAGE is None, but the user defines CONAN_DISABLE_CHECK_COMPILER. #4276
Bugfix: Fix version ranges containing spaces and not separated by commas. #4273
Bugfix: When running consecutively Conan python API calls to create the default profile object became modified and cached between calls. #4256
Bugfix: Fixes a bug in the CMake build helper about how flags are appended #4227
Bugfix: Apply the environment to the local conan package command #4204
Bugfix: b2 generator was failing when package recipe didn't use compiler setting #4202

1.11.2 (8-Jan-2019)

Bugfix: The migrated data in the server from a version previous to Conan 1.10.0 was not migrated creating the needed indexes. This fixes the migration and creates the index on the fly for fixing broken migrations. Also the server doesn't try to migrate while running but warns the user to run conan server --migrate after doing a backup of the data, avoiding issues when running the production servers like gunicorn where the process doesn't accept input from the user. #4229

1.11.1 (20-Dec-2018)

BugFix: Fix conan config install requester for zip file download #4172

1.11.0 (19-Dec-2018)

Feature: Store verify_ssl argument in :command:`conan config install` #4158 . Docs here
Feature: Tox launcher to run the test suite. #4151
Feature: Allow --graph=file.html html output using local vis.min.js and vis.min.css resources if they are found in the local cache (can be deployed via :command:`conan config install`) #4133 . Docs here
Feature: Improve client DEBUG traces with better and more complete messages. #4128
Feature: Server prints the configuration used at startup to help debugging issues. #4128
Feature: Allow hooks to be stored in folders #4106 . Docs here
Feature: Remove files containing Macos meta-data (files beginning by ._) #4103 . Docs here
Feature: Allow arguments in :command:`git clone` for :command:`conan config install` #4083 . Docs here
Feature: Display the version-ranges resolutions in a cleaner way. #4065
Feature: allow conan export . version@user/channel and conan create . version@user/channel #4062 . Docs here
Fix: cmake_find_package generator not forwarding all dependency properties #4125
Fix: Recent updates in python break ConfigParser with % in values, like in path names containing % (jenkins) #4122
Fix: The property file that the MSBuild() is now generated in the build_folder instead of a temporary folder to allow more reproducible builds. #4113 . Docs here
Fix: Fixed the check of the return code from Artifactory when using the checksum deploy feature. #4100
Fix: Evaluate always SCM attribute before exporting the recipe #4088 . Docs here
Fix: Reordered Python imports #4064
Bugfix: In ftp_download function there is extra call to ftp.login() with empty args. This causes ftp lib to login again with empty credentials and throwing exception because authentication is required by server. #4092
Bugfix: Take into account os_build and arch_build for search queries. #4061

1.10.2 (17-Dec-2018)

Bugfix: Fixed bad URL schema in ApiV2 that could cause URLs collisions #4138

1.10.1 (11-Dec-2018)

Fix: Handle some corner cases of python_requires #4099
Bugfix: Add v1_only argument in Conan server class #4096
Bugfix: Handle invalid use of python_requires when imported like conans.python_requires #4090

1.10.0 (4-Dec-2018)

Feature: Add include_prerelease and loose option to version range expression #3898
Feature: Merged "revisions" feature code in develop branch, still disabled by default until it gets stabilized. #3055
Feature: CMake global variable to disable Conan output CONAN_CMAKE_SILENT_OUTPUT #4042
Feature: Added new make generator. #4003
Feature: Deploy a conan snapshot package to test.pypi.org for every develop commit. #4000
Fix: Using the scm feature when Conan is not able to read the gitignored files (local optimization mechanism) print a warning to improve the debug information but not crash. #4045
Fix: The tools.get tool (download + unzip) now supports all the arguments of the download tool. e.g: verify, retry, retry_wait etc. #4041
Fix: Improve make generator test #4018
Fix: Add space and dot in conan new --help #3999
Fix: Resolve aliased packages in python_requires #3957
Bugfix: Better checks of package reference pkg/version@user/channel, avoids bugs for conanfile in 4 nested folders and conan install path/to/the/file #4044
Bugfix: Running Windows subsystem scripts crashed when the PATH environment variable passed as a list. #4039
Bugfix: Fix removal of conanfile.py with :command:`conan source` command and the removal of source folder in the local cache when something fails #4033
Bugfix: A :command:`conan install` with a reference failed when running in the operating system root folder because python tried to create the directory even when nothing is going to be written. #4012
Bugfix: Fix qbs generator mixing sharedlinkflags and exelinkflags #3980
Bugfix: compiler_args generated "mytool.lib.lib" for Visual Studio libraries that were defined with the .lib extension in the self.cpp_info.libs field of package_info(). #3976

1.9.2 (20-Nov-2018)

Bugfix: SVN API changes are relevant since version 1.9 #3954
Bugfix: Fixed bug in vcvars_dict tool when using filter_known_paths argument. #3941

1.9.1 (08-Nov-2018)

Fix: Fix regression introduced in 1.7, setting amd64_x86 when no arch_build is defined. #3918
Fix: Do not look for binaries in other remotes than the recipe, if it is defined. #3890
Bugfix: sudo --askpass breaks CentOS 6 package installation. The sudo version on CentOS 6 is 1.8.6. The option of askpass for sudo version 1.8.7 or older is sudo -A. #3885

1.9.0 (30-October-2018)

Feature: Support for srcdirs in package_info(). Packages can package sources, and specify their location, which will be propagated to consumers. Includes support for CMake generator. #3857
Feature: Added remote_name and remote_url to upload json output. #3850
Feature: Add environment variable CONAN_USE_ALWAYS_SHORT_PATHS to let the consumer override short_paths behavior from recipes #3846
Feature: Added --json output to conan export_pkg command #3809
Feature: Add conan remote clean subcommand #3767
Feature: New premake generator incorporated to the Conan code base from the external generator at https://github.com/memsharded/conan-premake. #3751
Feature: New conan remote list_pref/add_pref/remove_pref/update_pref commands added to manage the new Registry entries for binary packages. #3726
Feature: Add cpp_info data to json output of install and create commands at package level. #3717
Feature: Now the default templates of the :command:`conan new` command use the docker images from the conanio organization: https://hub.docker.com/u/conanio #3710
Feature: Added topics attribute to the ConanFile to specify topics (a.k.a tags, a.k.a keywords) to the recipe. #3702
Feature: Internal refactor to the remote registry to manage a json file. Also improved internal interface. #3676
Feature: Implement reuse of sources (exports_sources) in recipes used as python_requires(). #3661
Feature: Added support for Clang >=8 and the new versioning schema, where only the major and the patch is used. #3643
Fix: Renamed Plugins as Hooks #3867
Fix: Adds GCC 8.2 to default settings.yml #3865
Fix: Hidden confusing messages download conaninfo.txt when requesting the server to check package manifests. #3861
Fix: The MSBuild() build helper doesn't adjust the compiler flags for the build_type anymore because they are adjusted by the project itself. #3860
Fix: Add neon as linux distro for SystemPackageTools #3845
Fix: remove error that was raised for custom compiler & compiler version, while checking cppstd setting. #3844
Fix: do not allow wildcards in command conan download <ref-without-wildcards> #3843
Fix: do not populate arch nor arch_build in autodetected profile if platform.machine returns an empty string. #3841
Fix: The registry won't remove a reference to a remote removed recipe or package. #3838
Fix: Internal improvements of the ConanFile loader #3837
Fix: environment variables are passed verbatim to generators. #3836
Fix: Implement dirty checks in the cache build folder, so failed builds are not packaged when there is a build_id() method. #3834
Fix: vcvars is also called in the CMake() build helper when clang compiler is used, not only with Visual Studio`compiler. `#3832
Fix: Ignore empty line when parsing output inside SVN::excluded_files function. #3830
Fix: Bump version of tqdm requirement to >=4.28.0 #3823
Fix: Handling corrupted lock files in cache #3816
Fix: Implement download concurrency checks, to allow simultaneous download of the same package (as header-only) while installing different configurations that depend on that package. #3806
Fix: vcvars is also called in the CMake() build helper when using Ninja or NMake generators. #3803
Fix: Fixed link_flags management in MSBuild build helper #3791
Fix: Allow providing --profile argument (and settings, options, env, too) to :command:`conan export-pkg`, so it is able to correctly compute the binary package_id in case the information captured in the installed conaninfo.txt in previous :command:`conan install` does not contain all information to reconstruct the graph. #3768
Fix: Upgrade dependency of tqdm to >=4.27: solves issue with weakref assertion. #3763
Fix: Use XML output to retrieve information from SVN command line if its client version is less than 1.8 (command --show-item is not available). #3757
Fix: SVN v1.7 does not have -r argument in svn status, so functionality SVN::is_pristine won't be available. #3757
Fix: Add --askpass argument to sudo if it is not an interactive terminal #3727
Fix: The remote used to download a binary package is now stored, so any update for the specific binary will come from the right remote. #3726
Fix: Use XML output from SVN command line interface to compute if the repository is pristine. #3653
Fix: Updated templates of the :command:`conan new` command with the latest conan package tools changes. #3651
Fix: Improve error messages if conanfile was not found #3554
BugFix: Fix conflicting multiple local imports for python_requires #3876
Bugfix: do not ask for the username if it is already given when login into a remote. #3839
Bugfix: yum update needs user's confirmation, which breaks system update in CentOS non-interactive terminal. #3747

1.8.4 (19-October-2018)

Feature: Increase debugging information when an error uploading a recipe with different timestamp occurs. #3801
Fix: Changed tqdm dependency to a temporarily forked removing the "man" directory write permissions issue installing the pip package. #3802
Fix: Removed ndg-httpsclient and pyasn dependencies from OSX requirements file because they shouldn't be necessary. #3802

1.8.3 (17-October-2018)

Feature: New attributes default_user and default_channel that can be declared in a conanfile to specify the user and channel for conan local methods when neither CONAN_USERNAME and CONAN_CHANNEL environment variables exist. #3758
Bugfix: AST parsing of conanfile.py with shebang and encoding header lines was failing in python 2. This fix also allows non-ascii chars in conanfile.py if proper encoding is declared. #3750

1.8.2 (10-October-2018)

Fix: Fix misleading warning message in tools.collect_libs() #3718
BugFix: Fixed wrong naming of --sbindir and --libexecdir in AutoTools build helper. #3715

1.8.1 (10-October-2018)

Fix: Remove warnings related to python_requires(), both in linter and due to Python2. #3706
Fix: Use share folder for DATAROOTDIR in CMake and AutoTools build helpers. #3705
Fix: Disabled apiv2 until the new protocol becomes stable. #3703

1.8.0 (9-October-2018)

Feature: Allow conan config install to install configuration from a folder and not only from compressed files. #3680
Feature: The environment variable CONAN_DEFAULT_PROFILE_PATH allows the user to define the path (existing) to the default profile that will be used by Conan. #3675
Feature: New :command:`conan inspect` command that provides individual attributes of a recipe, like name, version, or options. Work with -r=remote repos too, and is able to produce --json output. #3634
Feature: Validate parameter for ConanFileReference objects to avoid unnecessary checks #3623
Feature: The environment variable CONAN_DEFAULT_PROFILE_PATH allows the user to define the path (absolute and existing) to the default profile that will be used by Conan. #3615
Feature: Warning message printed if Conan cannot deduce an architecture of a GNU triplet. #3603
Feature: The AutotoolsBuildEnvironment and CMake build helpers now adjust default for the GNU standard installation directories: bindir, sbin, libexec, includedir, oldincludedir, datarootdir #3599
Feature: Added use_default_install_dirs in AutotoolsBuildEnvironment.configure() to opt-out from the defaulted installation dirs. #3599
Feature: Clean repeated entries in the PATH when vcvars is run, mitigating the max size of the env var issues. #3598
Feature: Allow vcvars to run if clang-cl compiler is detected. #3574
Feature: Added python 2 deprecation message in the output of the conan commands. #3567
Feature: The :command:`conan install` command now prints information about the applied configuration. #3561
Feature: New naming convention for conanfile reserved/public/private attributes. #3560
Feature: Experimental support for Conan plugins. #3555
Feature: Progress bars for files unzipping. #3545
Feature: Improved graph propagation performance from O(n2) to O(n). #3528
Feature: Added ConanInvalidConfiguration as the standard way to indicate that a specific configuration is not valid for the current package. e.g library not compatible with Windows. #3517
Feature: Added libtool() function to the tools.XCRun() tool to locate the system libtool. #3515
Feature: The tool tools.collect_libs() now search into each folder declared in self.cpp_info.libdirs. #3503
Feature: Added definition CMAKE_OSX_DEPLOYMENT_TARGET to the CMake build helper following the os.version setting for Macos. #3486
Feature: The upload of files now uses the conanmanifest.txt file to know if a file has to be uploaded or not. It avoids issues associated with the metadata of the files permissions contained in the tgz files. #3480
Feature: The default_options in a conanfile.py can be specified now as a dictionary. #3477
Feature: The command conan config install now support relative paths. #3468
Feature: Added a definition CONAN_IN_LOCAL_CACHE to the CMake() build helper. #3450
Feature: Improved AptTool at SystemPackageTool adding a function add_repository to add new apt repositories. #3445
Feature: Experimental and initial support for the REST apiv2 that will allow transfers in one step and revisions in the future. #3442
Feature: Improve the output of a :command:`conan install` command printing dependencies when a binary is not found. #3438
Feature: New b2 generator. It replaces the old incomplete boost_build generator that is now deprecated. #3416
Feature: New tool.replace_path_in_file to replace Windows paths in a file doing case-insensitive comparison and indistinct path separators comparison: "/" == "\" #3399
Feature: [Experimental] Add SCM support for SVN. #3192
Fix: None option value was not being propagated upstream in the dependency graph #3684
Fix: Apply system_requirements() always on install, in case the folder was removed. #3647
Fix: Included bottle package in the development requirements #3646
Fix: More complete architecture list in the detection of the gnu triplet and the detection of the build machine architecture. #3581
Fix: Avoid downloading the manifest of the recipe twice for uploads. Making this download quiet, without output. #3552
Fix: Fixed Git scm class avoiding to replace any character in the get_branch() function. #3496
Fix: Removed login username syntax checks that were no longer necessary. #3464
Fix: Removed bad duplicated messages about dependency overriding when using conan alias. #3456
Fix: Improve :command:`conan info` help message. #3415
Fix: The generator files are only written in disk if the content of the generated file changes. #3412
Fix: Improved error message when parsing a bad conanfile reference. #3410
Fix: Paths are replaced correctly on Windows when using CMake().patch_config_files(). #3399
Fix: Fixed AptTool at SystemPackageTool to improve the detection of an installed package. #3033
BugFix: Fixes python_requires overwritten when using more than one of them in a recipe #3628
BugFix: Fix output overlap of decompress progress and plugins #3622
Bugfix: Check if the system_requirements() have to be executed even when the package is retrieved from the local cache. #3616
Bugfix: All API calls are now logged into the CONAN_TRACE_FILE log file. #3613
Bugfix: Renamed os (reserved symbol) parameter to os_ in the get_gnu_triplet tool. #3603
Bugfix: :command:`conan get` command now works correctly with enabled short paths. #3600
Bugfix: Fixed scm replacement of the variable when exporting a conanfile. #3576
Bugfix: apiv2 was retrying the downloads even when a 404 error was raised. #3562
Bugfix: Fixed export_sources excluded patterns containing symlinks. #3537
Bugfix: Fixed bug with transitive private dependencies. #3525
Bugfix: get_cased_path crashed when the path didn't exist. #3516
BugFix: Fixed failures when Conan walk directories with files containing not ASCCI characters in the file name. #3505
Bugfix: The scm feature now looks for the repo root even when the conanfile.py is in a subfolder. #3479
Bugfix: Fixed OSInfo.bash_path() when there is no windows_subsystem. #3455
Bugfix: AutotoolsBuildEnvironment was not defaulting the output library directory causing broken consumption of packages when rebuilding from sources in different Linux distros using lib64 default. Read more :ref:`here<autotools_lib64_warning>`. #3388

1.7.4 (18-September-2018)

Bugfix: Fixed a bug in apiv2.
Fix: Disabled apiv2 by default until it gets more stability.

1.7.3 (6-September-2018)

Bugfix: Uncontrolled exception was raised while printing the output of an error downloading a file.
Bugfix: Fixed :command:`*:option` pattern for conanfile consumers.

1.7.2 (4-September-2018)

Bugfix: Reverted default options initialization to empty string with varname=.
Bugfix: Fixed conan build command with --test and --install arguments.

1.7.1 (31-August-2018)

Fix: Trailing sentences in Conan help command.
Fix: Removed hardcoded :command:`-c init.templateDir=` argument in :command:`git clone` for :command:`conan config install`, in favor of a new :command:`--args` parameter that allows custom arguments.
Fix: SCM can now handle nested subfolders.
BugFix: Fix :command:`conan export-pkg` unnecessarily checking remotes.

1.7.0 (29-August-2018)

Feature: Support for C++20 in CMake > 3.12.
Feature: Included support for Python 3.7 in all platforms.
Feature: [Experimental] New python_requires function that allows you to reuse Python code by "requiring" it in Conan packages, even to extend the ConanFile class. See: :ref:`Python requires: reusing python code in recipes<python_requires>`
Feature: CMake method patch_config_paths replaces absolute paths to a Conan package's dependencies as well as to the Conan package itself.
Feature: MSBuild and VisualStudioBuildEnvironment build helpers adjust the /MP flag to build code in parallel using multiple cores.
Feature: Added a print_errors parameter to tools.PkgConfig() helper.
Feature: Added :command:`--query` argument to :command:`conan upload`.
Feature: virtualenv/virtualbuildenv/virtualrunenv generators now create bash scripts in Windows for use in subsystems.
Feature: Improved resolution speed for version ranges through caching of remote requests.
Feature: Improved the result of tools.vcvars_dict(only_diff=True) including a "list" return type that can be used with tools.environment_append().
Fix: AutoToolsBuildEnvironment build helper now keeps the PKG_CONFIG_PATHS variable previously set in the environment.
Fix: The SCM feature keeps the .git folder during the copy of a local directory to the local cache.
Fix: The SCM feature now correctly excludes the folders ignored by Git during the copy of a local directory to the local cache.
Fix: Conan messages now spell "overridden" correctly.
Fix: MSBuild build helper arguments using quotes.
Fix: vcvars_command and MSBuild build helper use the amd64_x86 parameter when Visual Studio > 12 and when cross building for x86.
Fix: Disabled -c init.TemplateDir in :command:`conan config install` from a Git repository.
Fix: Clang compiler check in cmake generator.
Fix: Detection of Zypper package tool on latest versions of openSUSE.
Fix: Improved help output of some commands.
BugFix: qmake generator hyphen.
Bugfix: Git submodules are now initialized from repo HEAD after checking out the referenced revision when using the scm attribute.
BugFix: Declaration default_options without value, e.g. default_options = "config=". Now it will throw an exception.
BugFix: Deactivate script in virtualenv generator causes PS1 to go unset.
BugFix: Apply general scope options to a consumer ConanFile first.
BugFix: Fixed detection of a valid repository for Git in the SCM feature.

1.6.1 (27-July-2018)

Bugfix: :command:`conan info --build-order` was showing duplicated nodes for build-requires and private dependencies.
Fix: Fixed failure with the alias packages when the name of the package (excluded the version) was different from the aliased package. Now it is limited in the :command:`conan alias` command.

1.6.0 (19-July-2018)

Feature: Added a new self.run(..., run_environment=True) argument, that automatically applies PATH, LD_LIBRARY_PATH and DYLD_LIBRARY_PATH environment variables from the dependencies, to the execution of the current command.
Feature: Added a new tools.run_environment() method as a shortcut to using tools.environment_append and RunEnvironment() together.
Feature: Added a new self.run(..., ignore_errors=True) argument that represses launching an exception if the commands fails, so user can capture the return code.
Feature: Improved tools.Git to allow capturing the current branch and enabling the export of a package whose version is based on the branch and commit.
Feature: The json generator now outputs settings and options
Feature: :command:`conan remote list --raw` prints remote information in a format valid for remotes.txt, so it can be used for conan config install
Feature: Visual Studio generator creates the conanbuildinfo.props file using the $(USERPROFILE) macro.
Feature: Added a filename parameter to tools.get() in case it cannot be deduced from the URL.
Feature: Propagated keep_permissions and pattern parameters from tools.get() to tools.unzip().
Feature: Added XZ extensions to unzip(). This will only work in Python 3 with lzma support enabled, otherwise, and error is produced.
Feature: Added FRAMEWORK_SEARCH_PATHS var to the Xcode generator to support packaging Apple Frameworks. Read more :ref:`here<package_apple_framework>`.
Feature: Added :command:`conan build --test` and a should_configure attribute to control the test stage. Read more :ref:`here<attribute_build_stages>`.
Feature: New tools to convert between files with LF and CRLF line endings: :ref:`tools_unix2dos` and :ref:`tools_dos2unix`.
Feature: Added :command:`conan config install [url] --type=git` to force cloning of a Git repo for http://... git urls.
Feature: Improved output information when a package is missing in a remote to show which package requires the missing one.
Feature: Improved the management of an upload interruption to avoid uploads of incomplete tarballs.
Feature: Added new LLVM toolsets to the base settings.yml (Visual Studio).
Feature: Created a plugin for pylint with the previous Conan checks (run in the export) enabling usage of the plugin in IDEs and command line to check if recipes are correct.
Feature: Improved the deb installer to guarantee that it runs correctly in Debian 9 and other distros.
Fix: Fixed :command:`conan search -q` and :command:`conan remove -q` to not return packages that don't have the setting specified in the query.
Fix: Fixed SystemPackageTool when calling to update with sudo is not enabled and mode=verify.
Fix: Removed pyinstaller shared libraries from the linker environment for any Conan subprocess.
BugFix: The YumTool now calls yum update instead of yum check-update.
Bugfix: Solved a bug in which using --manifest parameter with :command:`conan create` caused the deletion of information in the dependency graph.
Bugfix: Solved bug in which the build method of the Version model was not showing the version build field correctly .
Bugfix: Fixed a Conan crash caused by a dependency tree containing transitive private nodes.

1.5.2 (5-July-2018)

Bugfix: Fixed bug with pre-1.0 packages with sources.
Bugfix: Fixed regression in private requirements.

1.5.1 (29-June-2018)

Bugfix: Sources in the local cache weren't removed when using scm pointing to the local source directory, causing changes in local sources not applied to the conan create process.
Bugfix: Fixed bug causing duplication of build requires in the dependency graph.

1.5.0 (27-June-2018)

Feature: :command:`conan search <pkg-ref> -r=all` now is able to search for binaries too in all remotes
Feature: Dependency graph improvements: build_requires are represented in the graph (visible in :command:`conan info``, also in the HTML graph). :command:`conan install` and :command:`conan info` commands shows extended information of the binaries status (represented in colors in HTML graph). The dependencies declaration order in recipes is respected (as long as it doesn't break the dependency graph order).
Feature: improved remote management, it is possible to get binaries from different remotes.
Feature: :command:`conan user` command is now able to show authenticated users.
Feature: Added :command:`conan user --json` json output to the command.
Feature: New pattern argument to tools.unzip() and tools.untargz functions, that allow efficient extraction of certain files only.
Feature : Added Manjaro support for SystemPackageTools.
Feature: Added Macos version subsetting in the default settings.yml file, to account for the "min OSX version" configuration.
Feature: SCM helper argument to recursively clone submodules
Feature: SCM helper management of subfolder, allows using exports and exports_sources, manage symlinks, and do not copy files that are .gitignored. Also, works better in the local development flow.
Feature: Modifies user agent header to output the Conan client version and the Python version. Example: Conan/1.5.0 (Python 2.7.1)
Fix: The CMake() helper now doesn't require a compiler input to deduce the default generator.
Fix: :command:`conan search <pattern>` now works consistently in local cache and remotes.
Fix: Proxy related environment variables are removed if conan.conf declares proxy configuration.
Fix: Fixed the parsing of invalid JSON when Microsoft vswhere tool outputs invalid non utf-8 text.
Fix: Applying winsdk and vcvars_ver to MSBuild and vcvars_command for VS 14 too.
Fix: Workspaces now support build_requires.
Fix: CMake() helper now defines by default CMAKE_EXPORT_NO_PACKAGE_REGISTRY.
Fix: Settings constraints declared in recipes now don't error for single strings (instead of a list with a string element).
Fix: cmake_minimum_required() is now before project() in templates and examples.
Fix: CONAN_SYSREQUIRES_MODE=Disabled now doesn't try to update the system packages registry.
Bugfix: Fixed SCM origin path of windows folder (with backslashes).
Bugfix: Fixed SCM dictionary order when doing replacement.
Bugfix: Fixed auto-detection of apple-clang 10.0.
Bugfix: Fixed bug when doing a :command:`conan search` without registry file (just before installation).

1.4.5 (22-June-2018)

Bugfix: The package_id recipe method was being called twice causing issues with info objects being populated with wrong information.

1.4.4 (11-June-2018)

Bugfix: Fix link order with private requirements.
Bugfix: Removed duplicate -std flag in CMake < 3 or when the standard is not yet supported by CMAKE_CXX_STANDARD.
Bugfix: Check scm attribute to avoid breaking recipes with already defined one.
Feature: Conan workspaces.

1.4.3 (6-June-2018)

Bugfix: Added system libraries to the cmake_find_package generator.
Fix: Added SIGTERM signal handler to quit safely.
Bugfix: Fixed miss-detection of gcc 1 when no gcc was on a Linux machine.

1.4.2 (4-June-2018)

Bugfix: Fixed multi-config packages.
Bugfix: Fixed cppstd management with CMake and 20 standard version.

1.4.1 (31-May-2018)

Bugfix: Solved issue with symlinks making recipes to fail with self.copy.
Bugfix: Fixed c++20 standard usage with modern compilers and the creation of the settings.yml containing the settings values.
Bugfix: Fixed error with cased directory names in Windows.
BugFix: Modified confusing warning message in the SCM tool when the remote couldn't be detected.

1.4.0 (30-May-2018)

Feature: Added scm conanfile attribute, to easily clone/checkout from remote repositories and to capture the remote and commit in the exported recipe when the recipe and the sources lives in the same repository. Read more in ":ref:`Recipe and sources in a different repo <external_repo>`" and ":ref:`Recipe and sources in the same repo <package_repo>`".
Feature: Added cmake_paths generator to create a file setting CMAKE_MODULE_PATH and CMAKE_PREFIX_PATH to the packages folders. It can be used as a CMake toolchain to perform a transparent CMake usage, without include any line of cmake code related to Conan. Read more :ref:`here <cmake_paths_generator>`.
Feature: Added cmake_find_package generator that generates one FindXXX.cmake file per each dependency both with classic CMake approach and modern using transitive CMake targets. Read more :ref:`here <cmake_find_package_generator>`.
Feature: Added :command:`conan search --json` json output to the command.
Feature: CMake build helper now sets PKG_CONFIG_PATH automatically and receives new parameter pkg_config_paths to override it.
Feature: CMake build helper doesn't require to specify "arch" nor "compiler" anymore when the generator is "Unix Makefiles".
Feature: Introduced default settings for GCC 8, Clang 7.
Feature: Introduced support for c++ language standard c++20.
Feature: Auto-managed fPIC option in AutoTools build helper.
Feature: tools.vcvars_command() and tools.vcvars_dict() now take vcvars_ver and winsdk_version as parameters.
Feature: tools.vcvars_dict() gets only the env vars set by vcvars with new parameter only_diff=True.
Feature: Generator virtualbuildenv now sets Visual Studio env vars via tool.vcvars_dict().
Feature: New tools for Apple development including XCRun wrapper.
Fix: Message "Package '1' created" in package commands with short_paths=True now shows package ID.
Fix: tools.vcvars_dict() failing to create dictionary due to newlines in vcvars command output.
Bugfix: tools.which() returning directories instead of only files.
Bugfix: Inconsistent local cache when developing a recipe with short_paths=True.
Bugfix: Fixed reusing MSBuild() helper object for multi-configuration packages.
Bugfix: Fixed authentication using env vars such as CONAN_PASSWORD when CONAN_NON_INTERACTIVE=True.
Bugfix: Fixed Android api_level was not used to adjust CMAKE_SYSTEM_VERSION.
Bugfix: Fixed MSBuild() build helper creating empty XML node for runtime when the setting was not declared.
Bugfix: Fixed default_options not supporting = in value when specified as tuple.
Bugfix: AutoToolsBuildEnvironment build helper's pkg_config_paths parameter now sets paths relative to the install folder or absolute ones if provided.

1.3.3 (10-May-2018)

Bugfix: Fixed encoding issues writing to files and calculating md5 sums.

1.3.2 (7-May-2018)

Bugfix: Fixed broken run_in_windows_bash due to wrong argument.
Bugfix: Fixed VisualStudioBuildEnvironment when toolset was not defined.
Bugfix: Fixed md5 computation of conan .tgz files for recipe, exported sources and packages due to file ordering and flags.
Bugfix: Fixed conan download -p=wrong_id command
Fix: Added apple-clang 9.1

1.3.1 (3-May-2018)

Bugfix: Fixed regression with AutoToolsBuildEnvironment build helper that raised exception with not supported architectures during the calculation of the GNU triplet.
Bugfix: Fixed pkg_config generator, previously crashing when there was no library directories in the requirements.
Bugfix: Fixed conanfile.run() with win_bash=True quoting the paths correctly.
Bugfix: Recovered parameter "append" to the tools.save function.
Bugfix: Added support (documented but missing) to delete options in package_id() method using del self.info.options.<option>

1.3.0 (30-April-2018)

Feature: Added new build types to default settings.yml: RelWithDebInfo and MinSizeRel. Compiler flags will be automatically defined in build helpers that do not understand them (MSBuild, AutotoolsBuildEnvironment)
Feature: Improved package integrity. Interrupted downloads or builds shouldn't leave corrupted packages.
Feature: Added :command:`conan upload --json` json output to the command.
Feature: new :command:`conan remove --locks` to clear cache locks. Useful when killing conan.
Feature: New CircleCI template scripts can be generated with the :command:`conan new` command.
Feature: The CMake() build helper manages the fPIC flag automatically based on the options fPIC and shared when present.
Feature: Allowing requiring color output with CONAN_COLOR_DISPLAY=1 environment variable. If CONAN_COLOR_DISPLAY is not set rely on tty detection for colored output.
Feature: New :command:`conan remote rename` and :command:`conan add --force` commands to handle remotes.
Feature: Added parameter use_env to the MSBuild().build() build helper method to control the /p:UseEnv msbuild argument.
Feature: Timeout for downloading files from remotes is now configurable (defaulted to 60 seconds)
Feature: Improved Autotools build helper with new parameters and automatic set of --prefix to self.package_folder.
Feature: Added new tool to compose GNU like triplets for cross-building: tools.get_gnu_triplet()
Fix: Use International Units for download/upload transfer sizes (Mb, Kb, etc).
Fix: Removed duplicated paths in cmake_multi generated files.
Fix: Removed false positive linter warning for local imports.
Fix: Improved command line help for positional arguments
Fix :command:`-ks` alias for :command:`--keep-source` argument in :command:`conan create` and :command:`conan export`.
Fix: removed confusing warnings when self.copy() doesn't copy files in the package() method.
Fix: None is now a possible value for settings with nested subsettings in settings.yml.
Fix: if vcvars_command is called and Visual is not found, raise an error instead of warning.
Bugfix: self.env_info.paths and self.env_info.PATHS both map now to PATHS env-var.
Bugfix: Local flow was not correctly recovering state for option values.
Bugfix: Windows NTFS permissions failed in case USERDOMAIN env-var was not defined.
Bugfix: Fixed generator pkg_config when there are absolute paths (not use prefix)
Bugfix: Fixed parsing of settings values with "=" character in conaninfo.txt files.
Bugfix: Fixed misdetection of MSYS environments (generation of default profile)
Bugfix: Fixed string escaping in CMake files for preprocessor definitions.
Bugfix: upload --no-overwrite failed when the remote package didn't exist.
Bugfix: Don't raise an error if detect_windows_subsystem doesn't detect a subsystem.

1.2.3 (10-Apr-2017)

Bugfix: Removed invalid version field from scons generator.

1.2.1 (3-Apr-2018)

Feature: Support for apple-clang 9.1
Bugfix: compiler_args generator manage correctly the flag for the cppstd setting.
Bugfix: Replaced exception with a warning message (recommending the six module) when using StringIO class from the io module.

1.2.0 (28-Mar-2018)

Feature: The command :command:`conan build` has new --configure, --build, --install arguments to control the different stages of the build() method.
Feature: The command :command:`conan export-pkg` now has a :command:`--package-folder` that can be used to export an exact copy of the provided folder, irrespective of the package() method. It assumes the package has been locally created with a previous :command:`conan package` or with a :command:`conan build` using a cmake.install() or equivalent feature.
Feature: New json generator, generates a json file with machine readable information from dependencies.
Feature: Improved proxies configuration with no_proxy_match configuration variable.
Feature: New :command:`conan upload` parameter :command:`--no-overwrite` to forbid the overwriting of recipe/packages if they have changed.
Feature: Exports are now copied to source_folder when doing :command:`conan source`.
Feature: tools.vcvars() context manager has no effect if platform is different from Windows.
Feature: :command:`conan download` has new optional argument :command:`--recipe` to download only the recipe of a package.
Feature: Added CONAN_NON_INTERACTIVE environment variable to disable interactive prompts.
Feature: Improved MSbuild() build helper using vcvars() and generating property file to adjust the runtime automatically. New method get_command() with the call to msbuild tool. Deprecates tools.build_sln_command() and tools.msvc_build_command().
Feature: Support for clang 6.0 correctly managing cppstd flags.
Feature: Added configuration to specify a client certificate to connect to SSL server.
Feature: Improved ycm generator to show json dependencies.
Feature: Experimental --json parameter for :command:`conan install` and :command:`conan create` to generate a JSON file with install information.
Fix: :command:`conan install --build` does not absorb more than one parameter.
Fix: Made conanfile templates generated with :command:`conan new` PEP8 compliant.
Fix: :command:`conan search` output improved when there are no packages for the given reference.
Fix: Made :command:`conan download` also retrieve sources.
Fix: Pylint now runs as an external process.
Fix: Made self.user and self.channel available in test_package.
Fix: Made files writable after a deploy() or imports() when CONAN_READ_ONLY_CACHE`/general.read_only_cache environment/config variable is True.
Fix: Linter showing warnings with cpp_info object in deploy() method.
Fix: Disabled linter for Conan pyinstaller as it was not able to find the python modules.
Fix: :command:`conan user -r=remote_name` showed all users for all remotes, not the one given.
BugFix: Python reuse code failing to import module in package_info().
BugFix: Added escapes for backslashes in cmake generator.
BugFix: :command:`conan config install` now raises error if :command:`git clone` fails.
BugFix: Alias resolution not working in diamond shaped dependency trees.
BugFix: Fixed builds with Cygwin/MSYS2 failing in Windows with self.short_paths=True and NTFS file systems due to ACL permissions.
BugFix: Failed to adjust architecture when running Conan platform detection in ARM devices.
BugFix: Output to StringIO failing in Python 2.
BugFix: :command:`conan profile update` not working to update [env] section.
BugFix: :command:`conan search` not creating default remotes when running it as the very first command after Conan installation.
BugFix: Package folder was not cleaned after the installation and download of a package had failed.

1.1.1 (5-Mar-2018)

Feature: build_sln_command() and msvc_build_command() receive a new optional parameter platforms to match the definition of the .sln Visual Studio project architecture. (Typically Win32 vs x86 problem).
Bugfix: Flags for Visual Studio command (cl.exe) using "-" instead of "/" to avoid problems in builds using AutoTools scripts with Visual Studio compiler.
Bugfix: Visual Studio runtime flags adjusted correctly in AutoToolsBuildEnvironment() build helper
Bugfix: AutoToolsBuildEnvironment() build helper now adjust the correct build flag, not using eabi suffix, for architecture x86.

1.1.0 (27-Feb-2018)

Feature: New :command:`conan create --keep-build` option that allows re-packaging from conan local cache, without re-building.
Feature: :command:`conan search <pattern> -r=all` now searches in all defined remotes.
Feature: Added setting cppstd to manage the C++ standard. Also improved build helpers to adjust the standard automatically when the user activates the setting. AutoToolsBuildEnvironment(), CMake(), MSBuild() and VisualStudioBuildEnvironment().
Feature: New compiler_args generator, for directly calling the compiler from command line, for multiple compilers: VS, gcc, clang.
Feature: Defined sysrequires_mode variable (CONAN_SYSREQUIRES_MODE env-var) with values enabled, verify, disabled to control the installation of system dependencies via SystemPackageTool typically used in :ref:`method_system_requirements`.
Feature: automatically apply pythonpath environment variable for dependencies containing python code to be reused to recipe source(), build(), package() methods.
Feature: CMake new patch_config_paths() methods that will replace absolute paths to conan package path variables, so cmake find scripts are relocatable.
Feature: new :command:`--test-build-folder` command line argument to define the location of the test_package build folder, and new conan.conf temp_test_folder and environment variable CONAN_TEMP_TEST_FOLDER, that if set to True will automatically clean the test_package build folder after running.
Feature: Conan manages relative urls for upload/download to allow access the server from different configured networks or in domain subdirectories.
Feature: Added CONAN_SKIP_VS_PROJECTS_UPGRADE environment variable to skip the upgrade of Visual Studio project when using :ref:`tools_build_sln_command`, the :ref:`msvc_build_command<tools_msvc_build_command>` and the :ref:`MSBuild()<msbuild>` build helper.
Feature: Improved detection of Visual Studio installations, possible to prioritize between multiple installed Visual tools with the CONAN_VS_INSTALLATION_PREFERENCE env-var and vs_installation_preference conan.conf variable.
Feature: Added keep_path parameter to self.copy() within the imports() method.
Feature: Added [build_requires] section to conanfile.txt.
Feature: Added new :command:`conan help <command>` command, as an alternative to :command:`--help`.
Feature: Added target parameter to AutoToolsBuildEnvironment.make method, allowing to select build target on running make
Feature: The CONAN_MAKE_PROGRAM environment variable now it is used by the CMake() build helper to set a custom make program.
Feature: Added :command:`--verify-ssl` optional parameter to :command:`conan config install` to allow self-signed SSL certificates in download.
Feature: tools.get_env() helper method to automatically convert environment variables to python types.
Fix: Added a visible warning about libcxx compatibility and the detected one for the default profile.
Fix: Wrong detection of compiler in OSX for gcc frontend to clang.
Fix: Disabled conanbuildinfo.cmake compiler checks for unknown compilers.
Fix: visual_studio generator added missing ResourceCompile information.
Fix: Don't output password from URL for :command:`conan config install` command.
Fix: Signals exit with error code instead of 0.
Fix: Added package versions to generated SCons file.
Fix: Error message when package was not found in remotes has been improved.
Fix: :command:`conan profile` help message.
Fix: Use gcc architecture flags -m32, -m64 for MinGW as well.
Fix: CMake() helper do not require settings if CONAN_CMAKE_GENERATOR is defined.
Fix: improved output of package remote origins.
Fix: Profiles files use same structure as :command:`conan profile show` command.
Fix: conanpath.bat file is removed after conan Windows installer uninstall.
Fix: Do not add GCC-style flags -m32, -m64, -g, -s to MSVC when using AutoToolsBuildEnvironment
Fix: "Can't find a binary package" message now includes the Package ID.
Fix: added clang 5.0 and gcc 7.3 to default settings.yml.
Bugfix: build_id() logic does not apply unless the build_id is effectively changed.
Bugfix: self.install_folder was not correctly set in all necessary cases.
Bugfix: :command:`--update` option does not ignore local packages for version-ranges.
Bugfix: Set self.develop=True for export-pkg command.
Bugfix: Server HTTP responses were incorrectly captured, not showing errors for some server errors.
Bugfix: Fixed config section update for sequential calls over the python API.
Bugfix: Fixed wrong self.develop set to False for :command:`conan create` with test_package.
Deprecation: Removed conan-transit from default remotes registry.

1.0.4 (30-January-2018)

Bugfix: Fixed default profile defined in conan.conf that includes another profile
Bugfix: added missing management of sysroot in conanbuildinfo.txt affecting :command:`conan build` and test_package.
Bugfix: Fixed warning in :command:`conan source` because of incorrect management of settings.
Bugfix: Fixed priority order of environment variables defined in included profiles
Bugfix: NMake error for parallel builds from the CMake build helper have been fixed
Bugfix: Fixed options pattern not applied to root node (-o *:shared=True not working for consuming package)
Bugfix: Fixed shadowed options by package name (-o *:shared=True -o Pkg:other=False was not applying shared value to Pkg)
Fix: Using filter_known_paths=False as default to vcvars_dict() helper.
Fix: Fixed wrong package name for output messages regarding build-requires
Fix: Added correct metadata to conan.exe when generated via pyinstaller

1.0.3 (22-January-2018)

Bugfix: Correct load of stored settings in conaninfo.txt (for :command:`conan build`) when configure() remove some setting.
Bugfix: Correct use of unix paths in Windows subsystems (msys, cygwin) when needed.
Fix: fixed wrong message for :command:`conan alias --help`.
Fix: Normalized all arguments to :command:`--xxx-folder` in command line help.

1.0.2 (16-January-2018)

Fix: Adding a warning message for simultaneous use of os and os_build settings.
Fix: Do not raise error from conanbuildinfo.cmake for Intel MSVC toolsets.
Fix: Added more architectures to default settings.yml arch_build setting.
Fix: using :command:`--xxx-folder` in command line help messages.
Bugfix: using quotes for Windows bash path with spaces.
Bugfix: vcvars/vcvars_dict not including windows and windows/system32 directories in the path.

1.0.1 (12-January-2018)

Fix: :command:`conan new` does not generate cross-building (like os_build) settings by default. They make only sense for dev-tools used as build_requires
Fix: conaninfo.txt file does not dump settings with None values

1.0.0 (10-January-2018)

Bugfix: Fixed bug from remove_from_path due to Windows path backslash
Bugfix: Compiler detection in conanbuildinfo.cmake for Visual Studio using toolchains like LLVM (Clang)
Bugfix: Added quotes to bash path.

1.0.0-beta5 (8-January-2018)

Fix: Errors from remotes different to a 404 will raise an error. Disconnected remotes have to be removed from remotes or use explicit remote with -r myremote
Fix: cross-building message when building different architecture in same OS
Fix: :command:`conan profile show` now shows profile with same syntax as profile files
Fix: generated test code in :command:`conan new` templates will not run example app if cross building.
Fix: :command:`conan export-pkg` uses the conanfile.py folder as the default :command:`--source-folder`.
Bugfix: :command:`conan download` didn't download recipe if there are no binaries. Force recipe download.
Bugfix: Fixed blocked self.run() when stderr outputs large tests, due to full pipe.

1.0.0-beta4 (4-January-2018)

Feature: run_in_windows_bash accepts a dict of environment variables to be prioritized inside the bash shell, mainly intended to control the priority of the tools in the path. Use with vcvars context manager and vcvars_dict, that returns the PATH environment variable only with the Visual Studio related directories
Fix: Adding all values to arch_target
Fix: :command:`conan new` templates now use new os_build and arch_build settings
Fix: Updated CMake helper to account for os_build and arch_build new settings
Fix: Automatic creation of default profile when it is needed by another one (like include(default))
BugFix: Failed installation (non existing package) was leaving lock files in the cache, reporting a package for :command:`conan search`.
BugFix: Environment variables are now applied to build_requirements() for :command:`conan install .`.
BugFix: Dependency graph was raising conflicts for diamonds with alias packages.
BugFix: Fixed :command:`conan export-pkg` after a :command:`conan install` when recipe has options.

1.0.0-beta3 (28-December-2017)

Fix: Upgraded pylint and astroid to latest
Fix: Fixed build_requires with transitive dependencies to other build_requires
Fix: Improved pyinstaller creation of executable, to allow for py3-64 bits (windows)
Deprecation: removed all :command:`--some_argument`, use instead :command:`--some-argument` in command line.

1.0.0-beta2 (23-December-2017)

Feature: New command line UI. Most commands use now the path to the package recipe, like :command:`conan export . user/testing` or :command:`conan create folder/myconanfile.py user/channel`.
Feature: Better cross-compiling. New settings model for os_build, arch_build, os_target, arch_target.
Feature: Better Windows OSS ecosystem, with utilities and settings model for MSYS, Cygwin, Mingw, WSL
Feature: package() will not warn of not copied files for known use cases.
Feature: reduce the scope of definition of cpp_info, env_info, user_info attributes to package_info() method, to avoid unexpected errors.
Feature: extended the use of addressing folder and conanfiles with different names for source, package and export-pkg commands
Feature: added support for Zypper system package tool
Fix: Fixed application of build requires from profiles that didn't apply to requires in recipes
Fix: Improved "test package" message in output log
Fix: updated CI templates generated with :command:`conan new`
Deprecation: Removed self.copy_headers and family for the package() method
Deprecation: Removed self.conanfile_directory attribute.

Note

This is a beta release, shouldn't be installed unless you do it explicitly

$ pip install conan==1.0.0b2 --upgrade

Breaking changes

The new command line UI breaks command line tools and integration. Most cases, just add a :command:`.` to the command.
Removed self.copy_headers, self.copy_libs, methods for package(). Use self.copy() instead.
Removed self.conanfile_directory attribute. Use self.source_folder, self.build_folder, etc. instead

0.30.3 (15-December-2017)

Reverted CMake() and Meson() build helpers to keep old behavior.
Forced Astroid dependency to < 1.6 because of py3 issues.

0.30.2 (14-December-2017)

Fix: CMake() and Meson() build helpers and relative directories regression.
Fix: ycm generator, removed the access of cpp_info to generators, keeping the access to deps_cpp_info.

0.30.1 (12-December-2017)

Feature: Introduced major versions for gcc (5, 6, 7) as defaults settings for OSS packages, as minors are compatible by default
Feature: VisualStudioBuildEnvironment has added more compilation and link flags.
Feature: new MSBuild() build helper that wraps the call to msvc_build_command() with the correct application of environment variables with the improved VisualStudioBuildEnvironment
Feature: CMake and Meson build helpers got a new cache_build_dir argument for configure(cache_build_dir=None) that will be used to define a build directory while the package is being built in local cache, but not when built locally
Feature: conanfiles got a new apply_env attribute, defaulted to True. If false, the environment variables from dependencies will not be automatically applied. Useful if you don't want some dependency adding itself to the PATH by default, for example
Feature: allow recipes to use and run python code installed with :command:`conan config install`.
Feature: conanbuildinfo.cmake now has KEEP_RPATHS as argument to keep the RPATHS, as opposed to old SKIP_RPATH which was confusing. Also, it uses set(CMAKE_INSTALL_NAME_DIR "") to keep the old behavior even for CMake >= 3.9
Feature: :command:`conan info` is able to get profile information from the previous install, instead of requiring it as input again
Feature: tools.unix_path support MSYS, Cygwin, WSL path flavors
Feature: added destination folder argument to tools.get() function
Feature: SystemPackageTool for apt-get now uses :command:`--no-install-recommends` automatically.
Feature: visual_studio_multi generator now uses toolsets instead of IDE version to identify files.
Fix: generators failures print traces to help debugging
Fix: typos in generator names, or non-existing generator now raise an Error instead of a warning
Fix: short_paths feature is active by default in Windows. If you want to opt-out, you can use CONAN_USER_HOME_SHORT=None
Fix: SystemPackageTool doesn't use sudo in Windows
BugFix: Not using parallel builds for Visual<10 in CMake build helper.
Deprecation: conanfile_directory` shouldn't be used anymore in recipes. Use ``source_folder, build_folder, etc.

Note

Breaking changes

scopes have been completely removed. You can use environment variables, or the conanfile.develop or conanfile.in_local_cache attributes instead.
Command test_package has been removed. Use :command:`conan create`` instead, and :command:`conan test`` for just running package tests.
werror behavior is now by default. Dependencies conflicts will now error, and have to be fixed.
short_paths feature is again active by default in Windows, even with Py3.6 and system LongPathsEnabled.
ConfigureEnvironment and GCC build helpers have been completely removed

0.29.2 (2-December-2017)

Updated python cryptography requirement for OSX due the pyOpenSSL upgrade. See more: https://pypi.org/project/pyOpenSSL/

0.29.1 (23-November-2017)

Support for OSX High Sierra
Reverted concurrency locks to counters, removed psutil dependency
Implemented migration for settings.yml (for new VS toolsets)
Fixed encoding issues in conan_server

0.29.0 (21-November-2017)

Feature: Support for WindowsStore (WinRT, UWP)
Feature: Support for Visual Studio Toolsets.
Feature: New boost-build generator for generic bjam (not only Boost)
Feature: new tools.PkgConfig helper to parse pkg-config (.pc) files.
Feature: Added self.develop conanfile variable. It is true for :command:`conan create` packages and for local development.
Feature: Added self.keep_imports to avoid removal of imported files in the build() method. Convenient for re-packaging.
Feature: Autodetected MSYS2 for SystemPackageTool
Feature: AutoToolsBuildEnvironment now auto-loads pkg_config_path (to use with pkg_config generator)
Feature: Changed search for profiles. Profiles not found in the default profiles folder, will be searched for locally. Use ./myprofile to force local search only.
Feature: Parallel builds for Visual Studio (previously it was only parallel compilation within builds)
Feature: implemented syntax to check options with if "something" in self.options.myoption
Fix: Fixed CMake dependency graph when using TARGETS, that produced wrong link order for transitive dependencies.
Fix: Trying to download the exports_sources is not longer done if such attribute is not defined
Fix: Added output directories in cmake generator for RelWithDebInfo and MinSizeRel configs
Fix: Locks for concurrent access to local cache now use process IDs (PIDs) to handle interruptions and inconsistent states. Also, adding messages when locking.
Fix: Not remove the .zip file after a :command:`conan config install` if such file is local
Fix: Fixed CMake.test() for the Ninja generator
Fix: Do not create local conaninfo.txt file for :command:`conan install <pkg-ref>` commands.
Fix: Solved issue with multiple repetitions of the same command line argument
BugFix: Don't rebuild conan created (with conan-create) packages when build_policy="always"
BugFix: :command:`conan copy` was always copying binaries, now can copy only recipes
BugFix: A bug in download was causing appends instead of overwriting for repeated downloads.
Development: Large restructuring of files (new cmd and build folders)
Deprecation: Removed old CMake helper methods (only valid constructor is CMake(self))
Deprecation: Removed old conan_info() method, that was superseded by package_id()

Note

Breaking changes

CMAKE_LIBRARY_OUTPUT_DIRECTORY definition has been introduced in conan_basic_setup(), it will send shared libraries .so to the lib folder in Linux systems. Right now it was undefined.
Profile search logic has slightly changed. For -pr=myprofile, such profile will be searched both in the default folder and in the local one if not existing. Use -pr=./myprofile to force local search only.
The :command:`conan copy` command has been fixed. To copy all binaries, it is necessary to explicit :command:`--all`, as other commands do.
The only valid use of CMake helper is CMake(self) syntax.
If using conan_info(), replace it with package_id().
Removed environment variable CONAN_CMAKE_TOOLSET, now the toolset can be specified as a subsetting of Visual Studio compiler or specified in the build helpers.

0.28.1 (31-October-2017)

BugFix: Downloading (tools.download) of files with content-encoding=gzip were raising an exception because the downloaded content length didn't match the http header content-length

0.28.0 (26-October-2017)

This is a big release, with many important and core changes. Also with a huge number of community contributions, thanks very much!

Feature: Major revamp of most conan commands, making command line arguments homogeneous. Much better development flow adapting to user layouts, with install-folder, source-folder, build-folder, package-folder.
Feature: new deploy() method, useful for installing binaries from conan packages
Feature: Implemented some concurrency support for the conan local cache. Parallel :command:`conan install` and :command:`conan create` for different configurations should be possible.
Feature: options now allow patterns in command line: -o *:myoption=myvalue applies to all packages
Feature: new pc generator that generates files from dependencies for pkg-config
Feature: new Meson helper, similar to CMake for Meson build system. Works well with pc generator.
Feature: Support for read-only cache with CONAN_READ_ONLY_CACHE environment variable
Feature: new visual_studio_multi generator to load Debug/Release, 32/64 configs at once
Feature: new tools.which helper to locate executables
Feature: new :command:`conan --help` layout
Feature: allow to override compiler version in vcvars_command
Feature: :command:`conan user` interactive (and not exposed) password input for empty -p argument
Feature: Support for PacManTool for system_requirements() for ArchLinux
Feature: Define VS toolset in CMake constructor and from environment variable CONAN_CMAKE_TOOLSET
Feature: :command:`conan create` now accepts werror argument
Feature: AutoToolsBuildEnvironment can use CONAN_MAKE_PROGRAM env-var to define make program
Feature: added xcode9 for apple-clang 9.0, clang 5 to default settings.yml
Feature: deactivation of short_paths in Windows 10 with Py3.6 and long path support is automatic
Feature: show unzip progress by percentage, not by file (do not clutters output)
Feature: do not use sudo for system requirements if already running as root
Feature: tools.download able to use headers/auth
Feature: conan does not longer generate bytecode from recipes (no more .pyc, and more efficient)
Feature: add parallel argument to build_sln_command for VS
Feature: Show warning if vs150comntools is an invalid path
Feature: tools.get() now has arguments for hash checking
Fix: upload pattern now accepts Pkg/*
Fix: improved downloader, make more robust, better streaming
Fix: tools.patch now support adding/removal of files
Fix: The default profile is no longer taken as a base and merged with user profile. Use explicit include(default) instead.
Fix: properly manage x86 as cross building with autotools
Fix: tools.unzip removed unnecessary long-paths check in Windows
Fix: package_info() is no longer executed at install for the consumer conanfile.py
BugFix: source folder was not being correctly removed when recipe was updated
BugFix: fixed CMAKE_C_FLAGS_DEBUG definition in cmake generator
BugFix: CMAKE_SYSTEM_NAME is now Darwin for iOS, watchOS and tvOS
BugFix: xcode generator fixed handling of compiler flags
BugFix: pyinstaller hidden import that broke .deb installer
BugFix: :command:`conan profile list` when local files matched profile names

Note

Breaking changes

This is an important release towards stabilizing conan and moving out of beta. Some breaking changes have been done, but mostly to command line arguments, so they should be easy to fix. Package recipes or existing packages shouldn't break. Please update, it is very important to ease the transition of future stable releases. Do not hesitate to ask questions, or for help if you need it. This is a possibly not complete list of things to take into account:

The command :command:`conan install` doesn't accept cwd anymore, to change the directory where the generator files are written, use the :command:`--install-folder` parameter.
The command :command:`conan install` doesn't accept :command:`--all` anymore. Use :command:`conan download <ref>` instead.
The command :command:`conan build` now requires the path to the conanfile.py (optional before)
The command :command:`conan package` not longer re-package a package in the local cache, now it only operates in a user local folder. The recommended way to re-package a package is using :command:`conan build` and then :command:`conan export-pkg`.
Removed :command:`conan package_files` in favor of a new command :command:`conan export-pkg`. It requires a local recipe with a package() method.
The command :command:`conan source` no longer operates in the local cache. now it only operates in a user local folder. If you used :command:`conan source` with a reference to workaround the concurrency, now it natively supported, you can remove the command call and trust concurrent install processes.
The command :command:`conan imports` doesn't accept -d, --dest anymore, use :command:`--imports-folder` parameter instead.
If you specify a profile in a conan command, like conan create or conan install the base profile ~/.conan/profiles/default won't be applied. Use explicit include to keep the old behavior.

0.27.0 (20-September-2017)

Feature: :command:`conan config install <url>` new command. Will install remotes, profiles, settings, conan.conf and other files into the local conan installation. Perfect to synchronize configuration among teams
Feature: improved traceback printing when errors are raised for more context. Configurable via env
Feature: filtering out non existing directories in cpp_info (include, lib, etc), so some build systems don't complain about them.
Feature: Added include directories to ResourceCompiler and to MIDL compiler in visual_studio generator
Feature: new visual_studio_legacy generator for Visual Studio 2008
Feature: show path where manifests are locally stored
Feature: replace_in_file now raises error if replacement is not done (opt-out parameter)
Feature: enabled in conan.conf [proxies] section no_proxy=url1,url2 configuration (to skip proxying for those URLs), as well as http=None and https=None to explicitly disable them.
Feature: new conanfile self.in_local_cache attribute for conditional logic to apply in user folders local commands
Feature: CONAN_USER_HOME_SHORT=None can disable the usage of short_paths in Windows, for modern Windows that enable long paths at the system level
Feature: if "arm" in self.settings.arch is now a valid check (without casting to str(self.settings.arch))
Feature: added cwd`` argument to :command:`conan source` local method.
Fix: unzip crashed for 0 Bytes zip files
Fix: collect_libs moved to the tools module
Bugfix: fixed wrong regex in deps_cpp_info causing issues with dots and dashes in package names
Development: Several internal refactorings (tools module, installer), testing (using VS2015 as default, removing VS 12 in testing). Conditional CI in travis for faster builds in developers, downgrading to CMake 3.7 in appveyor
Deprecation: dev_requires have been removed (it was not documented, but accessible via the requires(dev=True) parameter. Superseded by build_requires.
Deprecation: sources tgz files for exported sources no longer contain ".c_src" subfolder. Packages created with 0.27 will be incompatible with conan < 0.25

0.26.1 (05-September-2017)

Feature: added apple-clang 9.0 to default settings.
Fix: :command:`conan copy` command now supports symlinks.
Fix: fixed removal of "export_source" folder when files have no permissions
Bugfix: fixed parsing of conanbuildinfo.txt with package names containing dots.

0.26.0 (31-August-2017)

Feature: :command:`conan profile` command has implemented update, new, remove subcommands, with detect``, to allow creation, edition and management of profiles.
Feature: :command:`conan package_files` command now can call recipe package() method if build_folder`` or source_folder`` arguments are defined
Feature: graph loading algorithm improved to avoid repeating nodes. Results in much faster times for dense graphs, and avoids duplications of private requirements.
Feature: authentication based on environment variables. Allows very long processes without tokens being expired.
Feature: Definition of Visual Studio runtime setting MD or MDd is now automatic based on build type, not necessary to default in profile.
Feature: Capturing SystemExit to return user error codes to the system with sys.exit(code)
Feature: Added SKIP_RPATH argument to cmake conan_basic_setup() function
Feature: Optimized uploads, now uploads will be skipped if there are no changes, irrespective of timestamp
Feature: Automatic detection of VS 15-2017, via both a vs150comntools variable, and using vswhere.exe
Feature: Added NO_OUTPUT_DIRS argument to cmake conan_basic_setup() function
Feature: Add support for Chocolatey system package manager for Windows.
Feature: Improved in conan user home and path storage configuration, better error checks.
Feature: export command is now able to export recipes without name or version, specifying the full reference.
Feature: Added new default settings, Arduino, gcc-7.2
Feature: Add conan settings to cmake generated file
Feature: new tools.replace_prefix_in_pc_file() function to help with .pc files.
Feature: Adding support for system package tool pkgutil on Solaris
Feature: :command:`conan remote update` now allows :command:`--insert` argument to change remote order
Feature: Add verbose definition to CMake helper.
Fix: :command:`conan package` working locally failed if not specified build_folder
Fix: Search when using wildcards for version like Pkg/*@user/channel
Fix: Change current working directory to the conanfile.py one before loading it, so relative python imports or code work.
Fix: package_files command now works with short_paths too.
Fix: adding missing require of tested package in test_package/conanfile build() method
Fix: path joining in vcvars_command for custom VS paths defined via env-vars
Fix: better managing string escaping in CMake variables
Fix: ExecutablePath assignment has been removed from the visual_studio generator.
Fix: removing export_source folder containing exported code, fix issues with read-only files and keeps cache consistency better.
Fix: Accept 100 return code from yum check-update
Fix: importing *.so files from the :command:`conan new` generated test templates
Fix: progress bars display when download/uploads are not multipart (reported size 0)
Bugfix: fixed wrong OSX DYLD_LIBRARY_PATH variable for virtual environments
Bugfix: FileCopier had a bug that affected self.copy() commands, changing base reference directory.

0.25.1 (20-July-2017)

Bugfix: Build requires are now applied correctly to test_package projects.
Fix: Fixed search command to print an error when --table parameter is used without a reference.
Fix: install() method of the CMake() helper, allows parallel building, change build folder and custom parameters.
Fix: Controlled errors in migration, print warning if conan is not able to remove a package directory.

0.25.0 (19-July-2017)

Note

This release introduces a new layout for the local cache, with dedicated export_source folder to store the source code exported with exports_sources feature, which is much cleaner than the old .c_src subfolder. A migration is included to remove from the local cache packages with the old layout.

Feature: new :command:`conan create` command that supersedes test_package for creating and testing package. It works even without the test_package folder, and have improved management for user, channel. The test_package recipe no longer defines requires
Feature: new :command:`conan get` command that display (with syntax highlight) package recipes, and any other file from conan: recipes, conaninfo.txt, manifests, etc.
Feature: new :command:`conan alias` command that creates a special package recipe, that works like an alias or a proxy to other package, allowing easy definition and transparent management of "using the latest minor" and similar policies. Those special alias packages do not appear in the dependency graph.
Feature: new :command:`conan search --table=file.html` command that will output an html file with a graphical representation of available binaries
Feature: created default profile, that replace the [settings_default] in conan.conf and augments it, allowing to define more things like env-vars, options, build_requires, etc.
Feature: new self.user_info member that can be used in package_info() to define custom user variables, that will be translated to general purpose variables by generators.
Feature: :command:`conan remove` learned the :command:`--outdated` argument, to remove those binary packages that are outdated from the recipe, both from local cache and remotes
Feature: :command:`conan search` learned the :command:`--outdated` argument, to show only those binary packages that are outdated from the recipe, both from local cache and remotes
Feature: Automatic management CMAKE_TOOLCHAIN_FILE in CMake helper for cross-building.
Feature: created conan_api, a python API interface to conan functionality.
Feature: new cmake.install() method of CMake helper.
Feature: short_paths feature now applies also to exports_sources
Feature: SystemPackageTool now supports FreeBSD system packages
Feature: build_requires now manage options too, also default options in package recipes
Feature: :command:`conan build` learned new :command:`--package_folder` argument, useful if the build system perform the packaging
Feature: CMake helper now defines by default CMAKE_INSTALL_PREFIX pointing to the current package_folder, so cmake.install() can transparently execute the packaging.
Feature: improved command UX with cwd`` arguments to allow define the current directory for the command
Feature: improved VisualStudioBuildEnvironment
Feature: transfers now show size (MB, KB) of download/uploaded files, and current status of transfer.
Feature: :command:`conan new` now has arguments to generate CI scripts for Gitlab CI.
Feature: Added MinRelSize and RelWithDebInfo management in CMake helper.
Fix: make mkdir, rmdir, relative_dirs available for import from :command:`conans` module.
Fix: improved detection of Visual Studio default under cygwin environment.
Fix: package_files now allows symlinks
Fix: Windows installer now includes conan_build_info tool.
Fix: appending environment variables instead of overwriting them when they come from different origins: upstream dependencies and profiles.
Fix: made opt-in the check of package integrity before uploads, it was taking too much time, and provide little value for most users.
Fix: Package recipe linter removed some false positives
Fix: default settings from conan.conf do not fail for constrained settings in recipes.
Fix: Allowing to define package remote with :command:`conan remote add_ref` before download/upload.
Fix: removed duplicated BUILD_SHARED_LIBS in test_package
Fix: add "rhel" to list of distros using yum.
Bugfix: allowing relative paths in exports and exports_sources fields
Bugfix: allow custom user generators with underscore

0.24.0 (15-June-2017)

Feature: :command:`conan new` new arguments to generate Travis-CI and Appveyor files for Continuous Integration
Feature: Profile files with include() and variable declaration
Feature: Added RelWithDebInfo/MinRelSize to cmake generators
Feature: Improved linter, removing false positives due to dynamic conanfile attributes
Feature: Added tools.ftp_download() function for FTP retrieval
Feature: Managing symlinks between folders.
Feature: :command:`conan remote add` command learned new insert`` option to add remotes in specific order.
Feature: support multi-config in the SCons generator
Feature: support for gcc 7.1+ detection
Feature: tools now are using global requests and output instances. Proxies will work for tools.download()
Feature: json`` parameter added to :command:`conan info`` command to create a JSON with the build_order.
Fix: update default repos, now pointing to Bintray.
Fix: printing outdated from recipe also for remotes
Fix: Fix required slash in configure_dir of AutoToolsBuildEnvironment
Fix: command new with very short names, now errors earlier.
Fix: better error detection for incorrect Conanfile.py letter case.
Fix: Improved some cmake robustness using quotes to avoid cmake errors
BugFix: Fixed incorrect firing of building due to build`` patterns error
BugFix: Fixed bug with options incorrectly applied to build_requires and crashing
Refactor: internal refactorings toward having a python api to conan functionality

0.23.1 (05-June-2017)

BugFix: Fixed bug while packaging symlinked folders in build folder, and target not being packaged.
Relaxed OSX requirement of pyopenssl to <18

0.23.0 (01-June-2017)

Feature: new build_requires field and build_requirements() in package recipes
Feature: improved commands (source, build, package, package_files) and workflows for local development of packages in user folders.
Feature: implemented no_copy_source attribute in recipes to avoid the copy of source code from "source" to "build folder". Created new self.source_folder, self.build_folder, self.package_folder for recipes to use.
Feature: improved qmake generator with multi-config support, resource directories
Feature: improved exception capture and formatting for all recipe user methods exceptions
Feature: new tools.sha256() method
Feature: folder symlinks working now for packages and upload/download
Feature: added set_find_paths() to cmake-multi, to set CMake FindXXX.cmake paths. This will work only for single-config build-systems.
Feature: using environment variables for configure(), requirements() and test() methods
Feature: added a pylintrc environment variable in conan.conf to define a PYLINTRC file with custom style definitions (like indents).
Feature: fixed vcvars architecture setting
Fix: Make cacert.pem folder use CONAN_USER_HOME if existing
Fix: fixed options=a=b option definition
Fix: package_files command allows force`` argument to overwrite existing instead of failing
BugFix: Package names with underscore when parsing conanbuildinfo.txt

0.22.3 (03-May-2017)

Fix: Fixed CMake generator (in targets mode) with linker/exe flags like --framework XXX containing spaces.

0.22.2 (20-April-2017)

Fix: Fixed regression with usernames starting with non-alphabetical characters, introduced by 0.22.0

0.22.1 (18-April-2017)

Fix: "-" symbol available again in usernames.
Fix: Added future requirement to solve an error with pyinstaller generating the Windows installer.

0.22.0 (18-April-2017)

Feature: [build_requires] can now be declared in profiles and apply them to build packages. Those requirements are only installed if the package is required to build from sources, and do not affect its package ID hash, and it is not necessary to define them in the package recipe. Ideal for testing libraries, cross compiling toolchains (like Android), development tools, etc.
Feature: Much improved support for cross-building. Support for cross-building to Android provided, with toolchains installable via build_requires.
Feature: New package_files command, that is able to create binary packages directly from user files, without needing to define build() or package() methods in the the recipes.
Feature: command :command:`conan new` with a new bare`` option that will create a minimal package recipe, usable with the package_files command.
Feature: Improved CMake helper, with test() method, automatic setting of BUILD_SHARED_LIBS, better management of variables, support for parallel compilation in MSVC (via /MP)
Feature: new tools.msvc_build_command() helper that both sets the Visual vcvars and calls Visual to build the solution. Also vcvars_command is improved to return non-empty string even if vcvars is set, for easier concatenation.
Feature: Added package recipe linter, warning for potential errors and also about Python 3 incompatibilities when running from Python 2. Enabled by default can be opt-out.
Feature: Improvements in HTML output of :command:`conan info --graph`.
Feature: allow custom path to bash, as configuration and environment variable.
Fix: Not issuing an unused variable warning in CMake for the CONAN_EXPORTED variable
Fix: added new mips architectures and latest compiler versions to default settings.yml
Fix: Unified username allowed patterns to those used in package references.
Fix: hardcoded vs15 version in tools.vcvars
BugFix: Clean crash and improved error messages when manifests mismatch exists in conan upload.

0.21.2 (04-April-2017)

Bugfix: virtualenv generator quoting environment variables in Windows.

0.21.1 (23-March-2017)

BugFix: Fixed missing dependencies in AutoToolsBuildEnvironment
BugFix: Escaping single quotes in html graph of :command:`conan info --graph=file.html`.
BugFix: Fixed loading of auth plugins in conan_server
BugFix: Fixed visual_studio generator creating XML with dots.

0.21.0 (21-March-2017)

Feature: :command:`conan info --graph` or graph=file.html`` will generate a dependency graph representation in dot or html formats.
Feature: Added better support and tests for Solaris Sparc.
Feature: custom authenticators are now possible in :command:`conan_server`` with plugins.
Feature: extended :command:`conan info` command with path information and filter by packages.
Feature: enabled conditional binary packages removal with :command:`conan remove` with query syntax
Feature: enabled generation and validation of manifests from test_package.
Feature: allowing options definitions in profiles
Feature: new RunEnvironment helper, that makes easier to run binaries from dependent packages
Feature: new virtualrunenv generator that activates environment variable for execution of binaries from installed packages, without requiring imports of shared libraries.
Feature: adding new version modes for ABI compatibility definition in package_id().
Feature: Extended :command:`conan new` command with new option for exports_sources example recipe.
Feature: CMake helper defining parallel builds for gcc-like compilers via jN``, allowing user definition with environment variable and in conan.conf.
Feature: :command:`conan profile`` command now show profiles in alphabetical order.
Feature: extended visual_studio generator with more information and binary paths for execution with DLLs paths.
Feature: Allowing relative paths with $PROFILE_DIR place holder in profiles
Fix: using only file checksums to decide for modified recipe in remote, for possible concurrent builds & uploads.
Fix: Improved build`` modes management, with better checks and allowing multiple definitions and mixtures of conditions
Fix: Replaced warning for non-matching OS to one message stating the cross-build
Fix: local :command:`conan source`` command (working in user folder) now properly executes the equivalent of exports functionality
Fix: Setting command line arguments to cmake command as CMake flags, while using the TARGETS approach. Otherwise, arch flags like -m32 -m64 for gcc were not applied.
BugFix: fixed :command:`conan imports` destination folder issue.
BugFix: Allowing environment variables with spaces
BugFix: fix for CMake with targets usage of multiple flags.
BugFix: Fixed crash of cmake_multi generator for "multi-config" packages.

0.20.3 (06-March-2017)

Fix: Added opt-out for CMAKE_SYSTEM_NAME automatically added when cross-building, causing users providing their own cross-build to fail
BugFix: Corrected usage of CONAN_CFLAGS instead of CONAN_C_FLAGS in cmake targets

0.20.2 (02-March-2017)

Fix: Regression of visual_studio``generator using ``%(ExecutablePath) instead of $(ExecutablePath)
Fix: Regression for build=outdated --build=Pkg`` install pattern

0.20.1 (01-March-2017)

Fix: Disabled the use of cached settings and options from installed conaninfo.txt
Fix: Revert the use of quotes in cmake generator for flags.
Fix: Allow comments in artifacts.properties
Fix: Added missing commit for CMake new helpers

0.20.0 (27-February-2017)

NOTE: It is important that if you upgrade to this version, all the clients connected to the same remote, should upgrade too. Packages created with conan>=0.20.0 might not be usable with conan older conan clients.

Feature: Largely improved management of environment variables, declaration in package_info(), definition in profiles, in command line, per package, propagation to consumers.
Feature: New build helpers AutotoolsBuildEnvironment, VisualStudioBuildEnvironment, which deprecate ConfigureEnvironment, with much better usage of environment variables
Feature: New virtualbuildenv generator that will generate a composable environment with build information from installed dependencies.
Feature: New build_id() recipe method that allows to define logic to build once, and package multiple times without building. E.g.: build once both debug and release artifacts, then package separately.
Feature: Multi-config packages. Now packages can provide multi-configuration packages, like both debug/release artifacts in the same package, with self.cpp_info.debug.libs = [...] syntax. Not restricted to debug/release, can be used for other purposes.
Feature: new :command:`conan config` command to manage, edit, display conan.conf entries
Feature: :ref:`Improvements<cmake_reference>` to CMake build helper, now it has configure() and build() methods for common operations.
Feature: Improvements to SystemPackageTool with detection of installed packages, improved implementation, installation of multi-name packages.
Feature: Unzip with tools.unzip maintaining permissions (Linux, OSX)
Feature: :command:`conan info` command now allows profiles too
Feature: new tools unix_path(), escape_windows_cmd(), run_in_windows_bash(), useful for autotools projects in Win/MinGW/Msys
Feature: new context manager tools.chdir, to temporarily change directory.
Feature: CMake using CMAKE_SYSTEM_NAME for cross-compiling.
Feature: Artifactory build-info extraction from traces
Feature: Attach custom headers to artifacts uploads with an artifacts.properties file.
Feature: allow and copy symlinks while :command:`conan export`
Fix: removing quotes in some cmake variables that were generating incorrect builds
Fix: providing better error messages for non existing binaries, with links to the docs
Fix: improved error messages if tools.patch failed
Fix: adding resdirs to cpp_info propagated information, and cmake variables, for directories containing resources and other data.
Fix: printing error messages if a build`` policy doesn't match any package
Fix: managing VS2017 by tools. Still the manual definition of vs150comntools required.
Bug fix: crashes when not supported characters were dumped to terminal by logger
Bug fix: wrong executable path in Visual Studio generator

0.19.3 (27-February-2017)

Fix: backward compatibility for new environment variables. New features to be introduced in 0.20 will produce that conaninfo.txt will not be correctly parsed, and then package would be "missing". This will happen for packages created with 0.20, and consumed with older than 0.19.3

NOTE: It is important that you upgrade at least to this version if you are using remotes with packages that might be created with latest conan releases (like conan.io).

0.19.2 (15-February-2017)

Bug fix: Fixed bug with remotes behind proxies
Bug fix: Fixed bug with exports_sources feature and nested folders

0.19.1 (02-February-2017)

Bug fix: Fixed issue with :command:`conan copy`` followed by :command:`conan upload`` due to the new exports_sources feature.

0.19.0 (31-January-2017)

Feature: exports_sources allows to snapshot sources (like exports) but retrieve them strictly when necessary, to build from sources. This can largely improve install times for package recipes containing sources
Feature: new configurable tracer able to create structured logs of conan actions: commands, API calls, etc
Feature: new logger for self.run actions, able to log information from builds and other commands to files, that can afterwards be packaged together with the binaries.
Feature: support for Solaris SunOS
Feature: Version helper improved with patch, pre, build capabilities to handle 1.3.4-alpha2+build1 versions
Feature: compress level of tgz is now configurable via CONAN_COMPRESSION_LEVEL environment variable, default 9. Reducing it can lead to faster compression times, at the expense of slightly bigger archives
Feature: Add powershell support for virtualenv generator in Windows
Feature: Improved system_requirements() raising errors when failing, retrying if not successful, being able to execute in user space for local recipes
Feature: new cmake helper macro conan_target_link_libraries().
Feature: new cmake CONAN_EXPORTED variable, can be used in CMakeLists.txt to differentiate building in the local conan cache as package and building in user space
Fix: improving the caching of options from :command:`conan install` in conaninfo.txt and precedence.
Fix: conan definition of cmake output dirs has been disabled for cmake_multi generator
Fix: imports() now uses environment variables at "conan install" (but not at "conan imports" yet)
Fix: conan_info() method has been renamed to package_id(). Backward compatibility is maintained, but it is strongly encouraged to use the new name.
Fix: conan_find_libraries now use the NO_CMAKE_FIND_ROOT_PATH parameter for avoiding issue while cross-compiling
Fix: disallowing duplicate URLs in remotes, better error management
Fix: improved error message for wildcard uploads not matching any package
Fix: remove deprecated platform.linux_distribution(), using new "distro" package
Bugfix: fixed management of VerifySSL parameter for remotes
Bugfix: fixed misdetection of compiler version in conanbuildinfo.cmake for apple-clang
Bugfix: fixed trailing slash in remotes URLs producing crashes
Refactor: A big refactor has been do to options. Nested options are no longer supported, and option.suboption will be managed as a single string option.

This has been a huge release with contributors of 11 developers. Thanks very much to all of them!

0.18.1 (11-January-2017)

Bug Fix: Handling of transitive private dependencies in modern cmake targets
Bug Fix: Missing quotes in CMake macro for modern cmake targets
Bug Fix: Handling LINK_FLAGS in cmake modern targets
Bug Fix: Environment variables no propagating to test project with test_package command

0.18.0 (3-January-2017)

Feature: uploads and downloads with retries on failures. This helps to avoid having to fully rebuild on CI when a network transfer fails
Feature: added SCons generator
Feature: support for Python 3.6, with several fixes. Added Python 3.6 to CI.
Feature: show package dates in :command:`conan info` command
Feature: new cmake_multi generator for multi-configuration IDEs like Visual Studio and Xcode
Feature: support for Visual Studio 2017, VS-15
Feature: FreeBSD now passes test suite
Feature: :command:`conan upload` showing error messages or URL of remote
Feature: wildcard or pattern upload. Useful to upload multiple packages to a remote.
Feature: allow defining settings as environment variables. Useful for use cases like dockerized builds.
Feature: improved help`` messages
Feature: cmake helper tools to launch conan directly from cmake
Added code coverage for code repository
Fix: conan.io badges when containing dash
Fix: manifests errors due to generated .pyc files
Bug Fix: unicode error messages crashes
Bug Fix: duplicated build of same binary package for private dependencies
Bug Fix: duplicated requirement if using version-ranges and requirements() method.

0.17.2 (21-December-2016)

Bug Fix: ConfigureEnvironment helper ignoring libcxx setting. #791

0.17.1 (15-December-2016)

Bug Fix: conan install --all generating corrupted packages. Thanks to @yogeva
Improved case sensitive folder management.
Fix: appveyor links in README.

0.17.0 (13-December-2016)

Feature: support for modern cmake with cmake INTERFACE IMPORTED targets defined per package
Feature: support for more advanced queries in search.
Feature: new profile list|show command, able to list or show details of profiles
Feature: adding preliminary support for FreeBSD
Feature: added new description field, to document package contents.
Feature: generation of imports manifest and :command:`conan imports --undo` functionality to remove imported files
Feature: optional SSL certificate verification for remotes, to allow self signed certificates
Feature: allowing custom paths in profiles, so profiles can be easily shared in teams, just inside the source repository or elsewhere.
Feature: fields user and channel now available in conan recipes. That allows to declare requirements for the same user/channel as the current package.
Feature: improved conan.io package web, adding description.
Fix: allow to modify cmake generator in CMake helper class.
Fix: added strip parameter to tools.patch() utility
Fix: removed unused dependency to Boto
Fix: wrong line endings in Windows for conan.conf
Fix: proper automatic use of txt and env generators in test_package
Bug fix: solved problem when uploading python packages that generated .pyc at execution
Bug fix: crash when duplicate requires were declared in conanfile
Bug fix: crash with existing imported files with symlinks
Bug fix: options missing in "copy install command to clipboard" in web

0.16.1 (05-December-2016)

Solved bug with test_package with arguments, like scopes.

0.16.0 (19-November-2016)

Upgrade: The build=outdated`` feature had a change in the hash computation, it might report outdated binaries from recipes. You can re-build the binaries or ignore it (if you haven't changed your recipes without re-generating binaries)

Feature: version ranges. Conan now supports defining requirements with version range expressions like Pkg/[>1.2,<1.9||1.0.1]@user/channel. Check the :ref:`version ranges reference <version_ranges>` for details
Feature: decoupled imports from normal install. Now :command:`conan install --no-imports` skips the imports section.
Feature: new :command:`conan imports` command that will execute the imports section without running install
Feature: overriding settings per package. Now it is possible to specify individual settings for each package. This can be specified both in the command line and in profiles
Feature: environment variables definition in the command line, global and per package. This allows to define specific environment variables as the compiler (CC, CXX) for a specific package. These environment variables can also be defined in profiles. Check :ref:`profiles reference <profiles>`
Feature: Now conan files copies handle symlinks, so files are not duplicated. This will save some space and improve download speed in some large packages. To enable it, use self.copy(..., links=True)
Fix: Enabling correct use of MSYS in Windows, by using the Windows C:/... path instead of the MSYS ones
Fix: Several fixes in :command:`conan search`, both local and in remotes
Fix: Manifests line endings and order fix, and hash computation fixed (it had wrong ordering)
Fix: Removed http->https redirection in conan_server that produced some issues for SSL reversed proxies
Fix: Taking into account "ANY" definition of settings and options
Fix: Improved some error messages and failures to encode OS errors with unicode characters
Update: added new arch ppc64 to default settings
Update: updated python-requests library version
Fix: Using generator() instead of compiler to decide on cmake multi-configuration for Ninja+cl builds
Improved and completed documentation

0.15.0 (08-November-2016)

Upgrade: If you were using the short_paths feature in Windows for packages with long paths, please reset your local cache. You could manually remove packages or just run :command:`conan remove "*"`

Feature: New build=outdated`` functionality, that allows to build the binary packages for those dependencies whose recipe has been changed, or if the binary is not existing. Each binary package stores a hash of the recipe to know if they have to be regenerated (are outdated). This information is also provided in the :command:`conan search <ref>`` command. Useful for package creators and CI.
Feature: Extended the short_paths feature for Windows path limit to the package folder, so package with very long paths, typically in headers in nested folder hierarchies are supported.
Feature: New tool.build_sln_command() helper to build() Microsoft Visual Studio solution (.sln) projects
Feature: Extended the source and package command, so together with build they can be fully executed in a user folder, as a convenience for package creation and testing.
Feature: Extending the scope of tools.pythonpath to work in local commands too
Improved the parsing of profiles and better error messages
Not adding -s compiler flag for clang, as it doesn't use it.
Automatic generation of conanenv.txt in local cache, warnings if using local commands and no conanbuildinfo.txt and no conanenv.txt are present to cache the information form install
Fix: Fixed bug when using empty initial requirements (requires = "")
Fix: Added glob hidden import to pyinstaller
Fix: Fixed minor bugs with short_paths as local search not listing packages
Fix: Fixed problem with virtual envs in Windows with paths separator (using / instead of )
Fix: Fixed parsing of conanbuildinfo.txt, so the root folder for each dependency is available in local commands too
Fix: Fixed bug in test_package with the test project using the requirements() method.

0.14.1 (20-October-2016)

Fixed bug with short_paths feature in windows.
Improved error messages for non-valid profile test files.
Remove downloaded tgz package files from remotes after decompress them.
Fixes bug with install --all and short_paths

0.14.0 (20-October-2016)

Feature: Added profiles, as user predefined settings and environment variables (as CC and CXX for compiler paths). They are stored in files in the conan cache, so they can be easily edited, added, and shared. Use them with :command:`conan install --profile=name`
Feature: short_paths feature for Windows now also handle long paths for the final package, in case that a user library has a very long final name, with nested subfolders.
Feature: Added tools.cpu_count() as a helper to retrieve the number of cores, so it can be used in concurrent builds
Feature: Detects cycles in the dependency graph, and raise error instead of exhausting recursion limits
Feature: Conan learned the werror`` option that will raise error and stop installation under some cases treated as warnings otherwise: Duplicated dependencies, or dependencies conflicts
Feature: New env generator that generates a text file with the environment variables defined by dependencies, so it can be stored. Such file is parsed by :command:`conan build` to be able to use such environment variables for self.deps_env_info too, in the same way it uses the txt generator to load variables for self.deps_cpp_info.
Fix: Do not print progress bars when output is a file
Fix: Improved the local conan search, using options too in the query :command:`conan search -q option=value`
Fix: Boto dependency updated to 2.43.0 (necessary for ArchLinux)
Fix: Simplified the :command:`conan package` command, removing unused and confusing options, and more informative messages about errors and utility of this command.
Fix: More fixes and improvements on ConfigureEnvironment, mainly for Windows
Fix: Conan now does not generate a conanbuildinfo.txt file when doing :command:`conan install <PkgRef>`.
Bug fix: Files of a package recipe are "touched" to update their timestamps to current time when retrieved, otherwise some build systems as Ninja can have problems with them.
Bug fix: qmake generator now uses quotes to handle paths with spaces
Bug fix: Fixed OSInfo to return the short distro name instead of the long one.
Bug fix: fixed transitivity of private dependencies

0.13.3 (13-October-2016)

This minor solves some problems with ConfigureEnvironment, mainly for Windows, but also fixes other things:

Fixed concatenation problems in Windows for several environment variables. Fixed problems with path with spaces
A batch file is created in Windows to be called, as if defined structures doesn't seem to work in the command line.
The vcvars_command from tools now checks the Visual Studio environment variable, if it is already set, it will check it with the current project settings, throwing an error if not matching, returning an empty command if matches.
Added a compile_flags property to ConfigureEnvironment, to be passed in the command line to the compiler, but not as environment variables
Added defines to environment for nix systems, it was not being handled before
Added new tests, compiling simple projects and diamond dependencies with cmake, cl (msvc), gcc (gcc in linux, mingw in win) and clang (OSX), for a better coverage of the ConfigureEnvironment functionality.
Fixed wrong CPP_INCLUDE_PATH, it is now CPLUS_INCLUDE_PATH

0.13.0 (03-October-2016)

IMPORTANT UPGRADE ISSUE: There was a small error in the computation of binary packages IDs, that has been addressed by conan 0.13. It affects to third level (and higher) binary packages, i.e. A and B in A->B->C->D, which binaries must be regenerated for the new hashes. If you don't plan to provide support for older conan releases (<=0.12), which would be reasonable, you should remove all binaries first (:command:`conan remove -p`, works both locally and remotely), then re-build your binaries.

Features:

Streaming from/to disk for all uploads/downloads. Previously, this was done for memory, but conan started to have issues for huge packages (>many hundreds MBs), that sometimes could be alleviated using Python 64 bits distros. This issues should be alleviated now
New security system that allows capturing and checking the package recipes and binaries manifests into user folders (project or any other folder). That ensures that packages cannot be replaced, hacked, forged, changed or wrongly edited, either locally or in any remote server, without notice.
Possible to handle and reuse python code in recipes. Actually, conan can be used as a package manager for python, by adding the package path to env_info.PYTHONPATH. Useful if you want to reuse common python code between different package recipes.
Avoiding re-compress the tgz for packages after uploads if it didn't change.
New command :command:`conan source` that executes the source() method of a given conanfile. Very useful for CI, if desired to run in parallel the construction of different binaries.
New propagation of cpp_info, so it now allows for capturing binary packages libraries with new collect_libs() helper, and access to created binaries to compute the package_info() in general.
Command test_package now allows the update`` option, to automatically update dependencies.
Added new architectures for ppc64le and detection for AArch64
New methods for defining requires effect over binary packages ID (hash) in conan_info()
Many bugs fixes: error in tools.download with python 3, restore correct prompt in virtualenvs, bug if removing an option in config_options(), setup.py bug...

This release has contributions from @tru, @raulbocanegra, @tivek, @mathieu, and the feedback of many other conan users, thanks very much to all of them!

0.12.0 (13-September-2016)

Major changes to search api and commands. Decoupled the search of package recipes, from the search of binary packages.
Fixed bug that didn't allow to export or upload packages with settings restrictions if the restrictions didn't match the host settings
Allowing disabling color output with CONAN_COLOR_DISPLAY=0 environment variable, or to configure color schema for light console backgrounds with CONAN_COLOR_DARK=1 environment variable
Imports can use absolute paths, and files copied from local conan cache to those paths will not be removed when :command:`conan install`. Can be used as a way to install machine-wise things (outside conan local cache)
More robust handling of failing transfers (network disconnect), and inconsistent status after such
Large internal refactor for storage managers. Improved implementations and decoupling between server and client
Fixed slow :command:`conan remove` for caches with many packages due to slow deletion of empty folders
Always allowing explicit options scopes, - o Package:option=value as well as the implicit -o option=value for current Package, for consistency
Fixed some bugs in client-server auth process.
Allow to extract .tar files in tools.unzip()
Some helpers for conan_info(), as self.info.requires.clear() and removal of settings and options

0.11.1 (31-August-2016)

New error reporting for failures in conanfiles, including line number and offending line, much easier for package creators
Removed message requesting to create an account in conan.io for other remotes
Removed localhost:9300 remote that was added by default mostly for demo purposes. Clarified in docs.
Fixed usernames case-sensitivity in conan_server, due to ConfigParser it was forcing lowercase
Handling unicode characters in remote responses, fixed crash
Added new compilers gcc 6.2, clang 8.0 to the default settings.yml
Bumped cryptography, boto and other conan dependencies, mostly for ArchLinux compatibility and new OSX security changes

0.11.0 (3-August-2016)

New solution for the path length limit in Windows, more robust and complete. Package conanfile.py just have to declare an attribute short_paths=True and everything will be managed. The old approach is deprecated and totally removed, so no shorts_paths.conf file is necessary. It should fix also the issues with uploads/retrievals.
New virtualenv generator that generates activate and deactivate scripts that set environment variables in the current shell. It is very useful, for example to install tools (like CMake, MinGW) with conan packages, so multiple versions can be installed in the same machine, and switch between them just by activating such virtual environments. Packages for MinGW and CMake are already available as a demo
ConfigureEnvironment takes into account environment variables, defined in packages in new env_info, which is similar to cpp_info but for environment information (like paths).
New per-package build_policy, which can be set to always or missing, so it is not necessary to create packages or specify the build`` parameter in command line. Useful for example in header only libraries or to create packages that always get the latest code from a branch in a github repository.
Command :command:`conan test_package`` now executes by default a :command:`conan export` with smarter package reference deduction. It is introduced as opt-out behavior.
Conan :command`export` command avoids copying test_package/build temporary files in case of export=*
Now, package_info() allows absolute paths in includedir, libdirs and bindirs, so wrapper packages can be defined that use system or manually installed libraries.
LDFLAGS in ConfigureEnvironment management of OSX frameworks.
Options allow the ANY value, so such option would accept any value. For example a commit of a git repository, useful to create packages that can build any specific commit of a git repo.
Added gcc 5.4 to the default settings, as well as MinGW options (Exceptions, threads...)
Command :command:`conan info` learned a new option to output the packages from a project dependency tree that should be rebuilt in case of a modification of a certain package. It outputs a machine readable ordered list of packages to be built in that order. Useful for CI systems.
Better management of incomplete, dirty or failed source directories (e.g. in case of a user interrupting with Ctrl+C a git clone inside the source() method.
Added tools for easier detection of different OS versions and distributions, as well as command wrappers to install system packages (apt, yum). They use sudo via a new environment variable CONAN_SYSREQUIRES_SUDO, so using sudo is opt-in/out, for users with different sudo needs. Useful for system_requirements()
Deprecated the config() method (still works, for backwards compatibility), but has been replaced by a config_options() to modify options based on settings, and a configure() method for most use cases. This removes a nasty behavior of having the config() method called twice with side effects.
Now, running a :command:`conan install MyLib/0.1@user/channel` to directly install packages without any consuming project, is also able to generate files with the -g option. Useful for installing tool packages (MinGW, CMake) and generate virtualenvs.
Many small fixes and improvements: detect compiler bug in Py3, search was crashing for remotes, conan new failed if the package name had a dash, etc.
Improved some internal duplications of code, refactored many tests.

This has been a big release. Practically 100% of the released features are thanks to active users feedback and contributions. Thanks very much again to all of them!

0.10.0 (29-June-2016)

conan new command, that creates conan package conanfile.py templates, with a test_package package test (-t option), also for header only packages (-i option)
Definition of scopes. There is a default dev scope for the user project, but any other scope (test, profile...) can be defined and used in packages. They can be used to fire extra processes (as running tests), but they do not affect the package binaries, and are not included in the package IDs (hash).
Definition of dev_requires. Those are requirements that are only retrieved when the package is in dev scope, otherwise they are not. They do not affect the binary packages. Typical use cases would be test libraries or build scripts.
Allow shorter paths for specific packages, which can be necessary to build packages with very long path names (e.g. Qt) in Windows.
Support for bzip2 and gzip decompression in tools
Added package_folder attribute to conanfile, so the package() method can for example call cmake install to create the package.
Added CONAN_CMAKE_GENERATOR environment variable that allows to override the CMake default generator. That can be useful to build with Ninja instead of the default Unix Makefiles
Improved ConfigureEnvironment with include paths in CFLAGS and CPPFLAGS, and fixed bug.
New :command:`conan user --clean` option, to completely remove all user data for all remotes.
Allowed to raise Exceptions in config() method, so it is easier for package creators to raise under non-supported configurations
Fixed many small bugs and other small improvements

As always, thanks very much to all contributors and users providing feedback.

0.9.2 (11-May-2016)

Fixed download bug that made it specially slow to download, even crash. Thanks to github @melmdk for fixing it.
Fixed cmake check of CLang, it was being skipped
Improved performance. Check for updates has been removed from install, made it opt-in in :command:`conan info` command, as it was very slow, seriously affecting performance of large projects.
Improved internal representation of graph, also improves performance for large projects.
Fixed bug in :command:`conan install --update`.

0.9 (3-May-2016)

Python 3 "experimental" support. Now the main conan codebase is Python 2 and 3 compatible. Python 2 still the reference platform, Python 3 stable support in next releases.
Create and share your own custom generators for any build system or tool. With "generator packages", you can write a generator just as any other package, upload it, modify and version it, etc. Require them by reference, as any other package, and pull it into your projects dynamically.
Premake4 initial experimental support via a generator package.
Very large re-write of the documentation. New "creating packages" sections with in-source and out-source explicit examples. Please read it! :)
Improved :command:`conan test`. Renamed test to test_package both for the command and the folder, but backwards compatibility remains. Custom folder name also possible. Adapted test layout might require minor changes to your package test, automatic warnings added for your convenience.
Upgraded pyinstaller to generate binary OS installers from 2.X to 3.1
:command:`conan search` now has command line options:, less verbose, verbose, extra verbose
Added variable with full list of dependencies in conanbuildinfo.cmake
Several minor bugfixes (check github issues)
Improved :command:`conan user` to manage user login to multiple remotes

0.8.4 (28-Mar-2016)

Fixed linker problems with the new apple-clang 7.3 due to libraries with no timestamp set.
Added apple-clang 7.3 to default settings
Fixed default libcxx for apple-clang in auto detection of base conan.conf

0.8 (15-Mar-2016)

New conan remote command to manage remotes. Redesigned remotes architecture, now allows to work with several remotes in a more consistent, powerful and "git-like" way. New remotes registry keeps track of the remote of every installed package, and this information is shown in :command:`conan info` command too. Also, it keeps different user logins for different remotes, to improve support in corporate environments running in-house servers.
New update functionality. Now it is possible to :command:`conan install --update` to update packages that became obsolete because new ones were uploaded to the corresponding remote. Conan commands as install and info show information about the status of the local packages compared with the remote ones. In this way, using latest versions during development is much more natural.
Added new compiler.libcxx setting in order to support the different c++ standard libraries. It can take libstdc++, libstdc++11 or libc++ values to take into account different standard libraries for modern gcc and clang compilers. It is also possible to remove not needed settings, like this one in pure C projects, with the new syntax: del self.settings.compiler.libcxx
Conan virtual environment: Define a custom conan directory with CONAN_USER_HOME env variable, and have a per project or per workspace storage for your dependencies. So you can isolate your dependencies and even bundle them within your project, by just setting the CONAN_USER_HOME variable to your <project>/deps folder, for example. This also improves support for continuous integration CI systems, in which many builds from different users could be run in parallel.
Better conanfile download method. More stable and now checks (opt-out) the ssl certificates.
Lots of improvements: Increased library name length limit, Improved and cleaner output messages.
Fixed several minor bugs: removing empty folders, case sensitive exports, arm settings detection.
Introduced the concept of "package recipe" that refers to conanfile.py and exported files.
Improved settings display in web, with new "copy install command to clipboard" to assist in installing packages discovered in web.
The macOS installer, problematic with latest macOS releases, has been deprecated in favor of homebrew and pip install procedures.

0.7 (5-Feb-2016)

Custom conanfile names are allowed for developing. With file`` option you can define the file you want to use, allowing for .conaninfo.txt or having multiple conanfile_dev.py, conanfile_test.py besides the standard conanfile.py which is used for sharing the package. Inheritance is allowed, e.g. conanfile_dev.py might extend/inherit from conanfile.py.
New :command:`conan copy` command that can be used to copy/rename packages, promote them between channels, forking other users packages.
New all`` and package`` options for :command:`conan install` that allows to download one, several, or all package configurations for a given reference.
Added patch() tool to easily patch sources if necessary.
New qmake and qbs generators
Upload of conanfile exported files is also tgz'd, allowing fast upload/downloads of full sources if desired, avoiding retrieval of sources from externals sources.
:command:`conan info` command improved showing info of current project too
Output of run() can be redirected to buffer string for processing, or even removed.
Added proxy configuration to conan.conf for users behinds proxies.
Large improvements in commands output, prefixed with package reference, and much clear.
Updated settings for more versions of gcc and new arm architectures
Treat dependencies includes as SYSTEM in cmake, so no warnings are raised
Deleting source folder after :command:`conan export` so no manual removal is needed
Normalizing to CRLF generated user files in Win
Better detection and checks for compilers as VS, apple-clang
Fixed CMAKE_SHARED_LINKER_FLAGS typo in cmake files
Large internal refactor in generators

0.6 (11-Jan-2016)

New cmake variables in cmake generator to make FindPackage work better thanks to the underlaying FindLibrary. Now many FindXXX.cmake work "as-is" and the package creator does not have to create a custom override, and consumers can use packages transparently with the originals FindXXX.cmakes
New "conan info" command that shows the full dependency graph and details (license, author, url, dependants, dependencies) for each dependency.
New environment helper with a ConfigureEnvironment class, that is able to translate conan information to autotools configure environment definition
Relative importing from conanfiles now is possible. So if you have common functionality between different packages, you can reuse those python files by importing them from the conanfile.py. Note that export="..." might be necessary, as packages as to be self-contained.
Added YouCompleteMe generator for vim auto-completion of dependencies.
New "conanfile_directory" property that points to the file in which the conanfile.py is located. This helps if using the conanfile.py "build" method to build your own project as a project, not a package, to be able to use any workflow, out-of-source builds, etc.
Many edits and improvements in help, docs, output messages for many commands.
All cmake syntax in modern lowercase
Fixed several minor bugs: gcc detection failure when gcc not installed, missing import, copying source->build failing when symlinks

0.5 (18-Dec-2015)

New cmake functionality allows package creators to provide cmake finders, so that package consumers can use their CMakeLists.txt with typical FindXXX.cmake files, without any change to them. CMake CONAN_CMAKE_MODULES_PATH added, so that package creators can provide any additional cmake scripts for consumers.
Now it is possible to generate out-of-source and multiple configuration installations for the same project, so you can switch between them without having to :command:`conan install` again. Check :ref:`the new workflows<workflows>`
New qmake generator (thanks @dragly)
Improved removal/deletion of folders with shutil.rmtree, so :command:`conan remove` commands and other processes requiring deletion of folders do not fail due to permissions and require manual deletion. This is an improvement, especially in Win.
Created pip package, so conan can be installed via: pip install conan
Released pyinstaller code for the creation of binaries from conan python source code. Distros package creators can create packages for the conan apps easily from those binaries.
Added md5, sha1, sha256 helpers in tools, so external downloads from conanfile.py files source() can be checked.
Added latest gcc versions to default settings.yml
Added CI support for conan development: travis-ci, appveyor
Improved human-readability for download progress, help messages.
Minor bug fixes

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Changelog

1.25.2 (19-May-2020)

1.25.1 (13-May-2020)

1.25.0 (06-May-2020)

1.24.1 (21-Apr-2020)

1.24.0 (31-Mar-2020)

1.23.0 (10-Mar-2020)

1.22.3 (05-Mar-2020)

1.22.2 (13-Feb-2020)

1.22.1 (11-Feb-2020)

1.22.0 (05-Feb-2020)

1.21.3 (03-Mar-2020)

1.21.2 (31-Jan-2020)

1.21.1 (14-Jan-2020)

1.21.0 (10-Dec-2019)

1.20.5 (3-Dec-2019)

1.20.4 (19-Nov-2019)

1.20.3 (11-Nov-2019)

1.20.2 (6-Nov-2019)

1.20.1 (5-Nov-2019)

1.20.0 (4-Nov-2019)

1.19.3 (29-Oct-2019)

1.19.2 (16-Oct-2019)

1.19.1 (3-Oct-2019)

1.19.0 (30-Sept-2019)

1.18.5 (24-Sept-2019)

1.18.4 (12-Sept-2019)

1.18.3 (10-Sept-2019)

1.18.2 (30-Aug-2019)

1.18.1 (8-Aug-2019)

1.18.0 (30-Jul-2019)

1.17.2 (25-Jul-2019)

1.17.1 (22-Jul-2019)

1.17.0 (9-Jul-2019)

1.16.1 (14-Jun-2019)

1.16.0 (4-Jun-2019)

1.15.4

1.15.3

1.15.2 (31-May-2019)

1.15.1 (16-May-2019)

1.15.0 (6-May-2019)

1.14.5 (30-Apr-2019)

1.14.4 (25-Apr-2019)

1.14.3 (11-Apr-2019)

1.14.2 (11-Apr-2019)

1.14.1 (1-Apr-2019)

1.14.0 (28-Mar-2019)

1.13.3 (27-Mar-2019)

1.13.2 (21-Mar-2019)

1.13.1 (15-Mar-2019)

1.13.0 (07-Mar-2019)

1.12.3 (18-Feb-2019)

1.12.2 (8-Feb-2019)

1.12.1 (5-Feb-2019)

1.12.0 (30-Jan-2019)

1.11.2 (8-Jan-2019)

1.11.1 (20-Dec-2018)

1.11.0 (19-Dec-2018)

1.10.2 (17-Dec-2018)

1.10.1 (11-Dec-2018)

1.10.0 (4-Dec-2018)

1.9.2 (20-Nov-2018)

1.9.1 (08-Nov-2018)

1.9.0 (30-October-2018)

1.8.4 (19-October-2018)

1.8.3 (17-October-2018)

1.8.2 (10-October-2018)

1.8.1 (10-October-2018)

1.8.0 (9-October-2018)

1.7.4 (18-September-2018)

1.7.3 (6-September-2018)

1.7.2 (4-September-2018)

1.7.1 (31-August-2018)

1.7.0 (29-August-2018)