Background Music v0.3.1

Changes since v0.3.0:

• None. I accidentally erased the entitlements (use audio input devices, etc.) when I code signed v0.3.0, so I'm trying again.

Background Music v0.3.0

⚠️There's a bug in this release due to code signing: #233. Get v0.3.1 instead: https://github.com/kyleneideck/BackgroundMusic/releases/tag/v0.3.1

Changes since v0.2.0:

• Change output device in some cases when devices are added/removed.
• Update the preferred devices list when the user changes output device.
• Fix errors logged when the current output device is disconnected.
• Store the preferred devices list in User Defaults.
• Move the output device menu items to the main menu.
• Fix build_and_install.sh failing when run from a path containing spaces.
• Add an option to use a volume icon instead of the Background Music logo.
• Fix a crash when BGMDevice's volume is changed.
• Fix potential minor memory leaks in BGMPreferredOutputDevices.
• Fix another crash when BGMDevice's volume is changed.
• Add music player: Google Play Music Desktop Player.
• Add music player: Music. (Apple renamed iTunes to "Music" in macOS Catalina.)
• Update copyright years.
• Enable Hardened Runtime in BGMApp, BGMXPCHelper and BGMDriver.

0.3.0-SNAPSHOT-0388b26

 Changes since 0.3.0-SNAPSHOT-a45335b:

 - Add Xcode 11 to Travis CI builds.
 - Update copyright years.

0.3.0-SNAPSHOT-a45335b

 Changes since 0.3.0-SNAPSHOT-04f1730:

 - Add Music music player. (Apple renamed iTunes to "Music" in macOS Catalina.)
 - Enable Hardened Runtime in BGMApp, BGMXPCHelper and BGMDriver.

0.3.0-SNAPSHOT-04f1730

Changes since 0.3.0-SNAPSHOT-e616718:

 - Fix BGMApp test compilation.

0.3.0-SNAPSHOT-503d1a9

Changes since 0.3.0-SNAPSHOT-2939dbe:

 - Fix another crash when BGMDevice's volume is changed.

0.3.0-SNAPSHOT-a40dfde

Changes since 0.3.0-SNAPSHOT-df9815a:

 - Fix potential minor memory leaks in BGMPreferredOutputDevices.

0.3.0-SNAPSHOT-e093e7d

Changes since 0.3.0-SNAPSHOT-624369f:

 - Add an option to use a volume icon instead of the Background Music
   logo.

0.3.0-SNAPSHOT-624369f

Changes since 0.3.0-SNAPSHOT-475d141:

 - Add "unsigned" to the filenames of packages from Travis CI.

0.3.0-SNAPSHOT-475d141

Changes since 0.3.0-SNAPSHOT-7b8d1a0:

 - Make builds more deterministic.
 - Fix compilation errors with Clang 8 in BGMAppUITests.
 - Fix compilation error with Clang 8 in BGMOutputDeviceMenuSection.