v10.15.1

Enhancements

• Switch to building the Carthage release with Xcode 13.

Fixed

• Fix compilation error where Swift 5.5 is available but the macOS 12 SDK was
  not. This was notable for the Xcode 13 RC. This fix adds a #canImport check
  for the _Concurrency module that was not available before the macOS 12 SDK.

Compatibility

• Realm Studio: 11.0.0 or later.
• APIs are backwards compatible with all previous releases in the 10.x.y series.
• Carthage release for Swift is built with Xcode 13.0.
• CocoaPods: 1.10 or later.
• Xcode: 12.2-13.0.