4.0.0

• Updated AuthSessionDelegate method for updating error to take a completion to support async updates #229

3.0.0

• GTMAppAuth has been translated from Objective-C to Swift. (#190)
• Improved API surface. (#203)
  • Renamed GTMAppAuthFetcherAuthorization to GTMAuthSession.
  • Added GTMAuthSessionStore protocol.
  • Added GTMKeychainStore class conforming to GTMAuthSessionStore providing keychain storage of GTMAuthSession objects as well as GTMOAuth2 compatibility.
    • Added the ability to specify a keychain access group rather than use the default group.
    • Stored representation of GTMAuthSession objects remains unchanged from that of GTMAppAuthFetcherAuthorization in previous versions of GTMAppAuth, allowing for backward and forward compatibilty.
  • Significantly improved error handling.
  • Added AuthSessionDelegate protocol allowing clients to 1) provide additional token refresh parameters and 2) inspect and modify errors before they are returned during the authorize request flow.
• Unit tests added. (#190, #202)

2.0.0

• Updated the GTMSessionFetcher dependency to allow 3.x versions. (#192)
• Minimum deployment versions for iOS and tvOS increased to 10. (#188, #191)

1.3.1

• Updated the GTMSessionFetcher dependency to allow 2.x versions. (#155, #175)
• Use secure coding with NSKeyedArchiver when available. (#145)

1.3.0

• Added the option to use the data protection keychain on macOS. (#151)
• Unified the keychain access layer, moving macOS to the modern SecItem API. (#150)
• Added Swift Package Manager projects for the example apps. (#153)

1.2.3

• Fixed Keychain duplicate entry error on macOS. (#138)
• Match GTMSessionFetcher's min macOS version to avoid warnings. (#142)

1.2.2

• Fixed Swift Package Manager issue with Xcode 12.5.

1.2.1

• Address CocoaPod packaging issue in the 1.2.0 release.

1.2.0

• Addressed several Swift Package Manager issues.
• Restructured the project for cleaner Swift Package Manager support.

1.1.0

• Added Swift Package Manager support.
• Added watchOS support.

1.0.0

• Moved tvOS authorization support out to a branch.

0.8.0

• Added tokenRefreshDelegate to GTMAppAuthFetcherAuthorization.
• Updated to depend on AppAuth/Core 1.0.
• Added CHANGELOG.md.