Qiskit Aer 0.12.1

Changelog

Fixed

• Fix the grouping index bug in Estimator (#1839)
• Fix handling of None in noise model construction from BackendV2 (#1818)
• Support initialize with int (#1841)
• Do not use circuit metadata to internally manage simulation results (#1772)
• Validate parameters of each gate in a circuit (#1834)
• Warn if approximation=False and shots=None in Estimator (#1823)
• Upgrade to qiskit_sphinx_theme 1.12 (#1822)
• Fix Renew example codes in README #1806: qiskit.providers.ibmq is deprecated; ibmq_athens is not available (#1831)
• Fix typos in aer_simulator, qasm_simulator docs (#1833)
• Use transpile and run instead of execute in docstring (#1830)
• Fixing some typos (#1827)
• Set the number of qubits with the coupling map (#1825)
• check parameter_binds arguments for parameterized circuits (#1817)
• Support parameterized global phase (#1814)
• fix fail of qobj run without run_options (#1792)
• avoid kernel crash from blas call errors (#1791)
• Add Getting Started page (#1780)
• Add implicit cast of argument types (#1770)
• Update standard_errors.py (#1799)
• fix cuQuantum static linking (#1812)
• Support SwitchCaseOp that will be released in qiskit-terra 0.24.0 (#1778)
• Activate jQuery in docs (#1802)
• Fix library path to cuQuantum and cuTENSOR (#1801)
• Fix setting MPI processes and ranks (#1808)
• Remove Sampler.close, assert DeprecationWarning of opflow, and update dependency (#1804)
• Resolve regression from introduction of AER::Config (#1747)
• Add API docs for QuantumCircuit methods (#1753)
• Fix wrong set of parameters in circuits with barriers (#1775)
• Defer gathering backends until they are needed (#1760)
• Add Tutorials to Documentation Page (#1768)
• Correct a type of variance from complex to real (#1767)
• use omp_set_max_active_levels instead of omp_set_nested (#1752)
• Fix how to reference to config.cuStateVec_enable (#1749)
• Remove a release note in an invalid location (#1750)
• add code-formatting with black for python and with clang-format for c++ (#1630)

Qiskit Aer 0.12.0

Changelog

Deprecated

• Deprecate PulseSimulator backend (#1728)
• Deprecate Python 3.7 support in Qiskit Aer (#1671)

Added

• Simulate QuantumCircuit without QObj (#1717)
• Add NoiseModel.from_backend_properties (#1474)
• Add support for Python 3.11 (#1642)

Changed

• Remove setup_requires and forced pip installs in setup.py (#1693)

Removed

• Remove qobj argument, deprecated in 0.8.0 (#1635)

Fixed

• Fix Sampler with multiple classical registers (#1680)
• Fix BackendV2 support in AerSimulator.from_backend() (#1678)
• Specify package_data explicitly (#1677)
• Set different seed for each sampling in AerStatevector (#1663)
• Fix incorrect computation of excited state population (#1672)
• Fix device noise model from BackendV2 not to have excessive quantum errors on measures/resets (#1649)
• Fix data-flow analysis in control-flow jump/mark (#1666)
• Remove verbose warnings on parameter truncations when creating noise model from backend (#1639)
• Fix handling of instructions with clbits in LocalNoisePass (#1625)

Qiskit Aer 0.11.2

Changelog

Added

• Add support for Python 3.11 (#1642)

Fixed

• Fix BackendV2 support in AerSimulator.from_backend() (#1678)
• Specify package_data explicitly (#1677)
• Set different seed for each sampling in AerStatevector (#1663)
• Fix incorrect computation of excited state population (#1672)
• Fix device noise model from BackendV2 not to have excessive quantum errors on measures/resets (#1649)
• Fix data-flow analysis in control-flow jump/mark (#1666)
• Remove verbose warnings on parameter truncations when creating noise model from backend (#1639)

Qiskit Aer 0.11.1

Changelog

Fixed

• Fix CMakeList.txt to support cmake 3.18 or later (#1613)
• Primitives support run method in Terra 0.22 (#1598)
• Fix handling of instructions with clbits in LocalNoisePass (#1625)
• Sampler caches transpiled circuits (#1618)

Qiskit Aer 0.11.0

Changelog

Added

• Add libaer.so (#1582)
• Add cross-build wheel jobs for ppc64le and s390x (#1504)
• Add support for BackendV2 in NoiseModel.from_backend (#1484)
• Add support for Python 3.10 (#1434)
• Add CI jobs to cross-build arm64 macOS wheels (#1362)

Changed

• Move Aer to its own package (#1526)
• Do not build with -ffast-math (#1469)

Removed

• remove snapshot instruction from qiskit_aer (#1591)
• Drop support for Python 3.6 (#1430)

Fixed

• fix an issue of while_loop at the tail of a circuit (#1600)
• inline a circuit to initialize statevector (#1519)
• Fix handling of circuit metadata (#1436)
• Fix: cache blocking transpiler for density_matrix with noises (#1480)
• Change to truncate T2 up to 2 * T1 in NoiseModel.from_backend (#1467)
• Do not build with -ffast-math (#1469)
• Fix time_taken value in cluster backend (#1437)
• revert #1392 for performance with fix of omp (#1438)
• Fix LocalNoisePass for circuit returns from noise func (#1455)
• Fix unit handling in RelaxationNoisePass (#1454)
• Run truncation after resolving parameters (#1428)
• Fix diagonal fusion in parallel transpile (#1422)
• Fix bug in QuantumError.to_dict (#1420)
• Fix simulation of for loops with no parameter (#1419)
• Add try block for backend noise model delay pass (#1414)
• fix Pauli noise with pauli gate (#1411)
• Reduce unnecessary circuit iteration (#1409)
• Fix performance regression from QuantumError.to_dict (#1408)

Qiskit Aer 0.10.4

Changelog

Changed

• Do not build with -ffast-math (#1469)

Fixed

• Fix handling of circuit metadata (#1436)
• Fix: cache blocking transpiler for density_matrix with noises (#1480)
• Change to truncate T2 up to 2 * T1 in NoiseModel.from_backend (#1467)
• Do not build with -ffast-math (#1469)

Qiskit Aer 0.10.3

Changelog

Added

• Add support for Python 3.10 (#1434)
• Add CI jobs to cross-build arm64 macOS wheels (#1362)

Fixed

• Fix diagonal fusion in parallel transpile (#1422)
• Fix time_taken value in cluster backend (#1437)
• revert #1392 for performance with fix of omp (#1438)
• Fix LocalNoisePass for circuit returns from noise func (#1455)
• Fix unit handling in RelaxationNoisePass (#1454)
• Run truncation after resolving parameters (#1428)

Qiskit Aer 0.10.2

Changelog

Fixed

• Fix bug in QuantumError.to_dict (#1420)
• Fix simulation of for loops with no parameter (#1419)

Qiskit Aer 0.10.1

Changelog

Fixed

• Add try block for backend noise model delay pass (#1414)
• fix Pauli noise with pauli gate (#1411)
• Reduce unnecessary circuit iteration (#1409)
• Fix performance regression from QuantumError.to_dict (#1408)

Qiskit Aer 0.10.0

Changelog

Added

• Add support for adding QuantumError to circuits (#1350)

Fixed

• Include pyproject.toml in sdist (#1380)
• Fix automatic method selection when some circuits have invalid instructions (#1371)
• Ensure error results include empry results field (#1372)
• Fix issue 1351 (#1354)
• Fix handling of bound ParameterExpressions (#1356)
• Fix 1347 (#1355)