This release was focused on quality improvements to .NET MAUI, .NET for Android, and .NET for iOS, Mac Catalyst, macOS, and tvOS. You can find detailed information about the improvements below:

• .NET MAUI
  • MediaPicker modernization
  • Nullable Pickers
  • Known issues
  • Full list of quality improvements on dotnet/maui GitHub releases.
• .NET for Android
  • Use System.IO.Compression for .apk creation
  • Reduced download size
• .NET for iOS, Mac Catalyst, macOS, tvOS

.NET MAUI updates in .NET 10 Preview 4:

• Release notes
• What's new in .NET MAUI in .NET 10 documentation.
• GitHub Release

.NET 10 Preview 4:

• Discussion
• Release notes