WPF in .NET 10 Preview 3 - Release Notes

April 10, 2025 ยท View on GitHub

Here's a summary of what's new with WPF in this preview release:

WPF updates in .NET 10:

Performance Improvements

Enhanced performance by optimizing cache operations, array handling, and migrating font collection loader to managed code.

Fluent Style Changes

Introduced new Fluent styles for controls, such as:

  • NavigationWindow
  • Frame
  • ToolBar
  • ResizeGrip
  • GroupBox
  • Hyperlink
  • GridSplitter
  • Thumb.

Fixed elevation border brushes for various controls and corrected missing RecognizesAccessKey property.

Bug Fixes

  • Addressed several bugs including memory leaks, control behavior anomalies, and property recognition issues.
  • Fixed faulty caching of LinearGradientBrushes when RelativeTransform was being used along with Absolute mapping mode.

Miscellaneous Changes

Code Cleanup and Refactoring

  • Conducted extensive code cleanups, including syntax standardization and argument clarity, to improve code readability and maintainability.
  • Established code-coverage for WPF, added functionality tests for Clipboard and resolved issues with DependencyProperty tests.
  • Incorporated design-time markup compilation to facilitate smoother development workflows.