v9.0.0-beta.4

Changes since beta 3: v9.0.0-beta.3...v9.0.0-beta.4

Breaking

• Require watchOS 9 or later e800493

iCloud synchronization

Please help us test the new iCloud synchronization functionality and give us feedback on it.

Improvements

• Add support for syncing using NSUbiquitousKeyValueStore e837052
• Add support for serializing Color.Resolved ce45591
• Add support for serializing NSFontDescriptor and UIFontDescriptor 23e0a44

v8.2.0...v9.0.0-beta.4