Swift 5

Adds compatibility with Swift 5

CocoaPods fixes

No updates to production code, just fixing cocoapods trunk issues for MacOS.

Swift 4.2

Migrated to Swift 4.2

Swift 4

Migrated codebase to Swift 4.

Additionally API has been largely revamped to be more Swifty.

Package manager

Updated project structure to be compatible with the Swift package manager.

Swift 3

Updates Signals for Swift 3

• Revamps API to be more Swifty
• Drops support for Swift 2

Retaining previously fired values are opt-in

Previously fired values were previously retained by default, which could cause memory congestion and implicit long lifecycle of objects fired off of Signals. Retaining previously fired values are now opt-in.

UIControl extensions

This release extends UIControl with signals for each control event.

Support all Apple platforms

Adds support for OS X, watchOS and tvOS.

Fixed carthage build support

Signals can now be integrated using Carthage.