unoplatform/uno 6.3.62

on GitHub

With over 128 issues closed, Uno Platform 6.3 continues to raise the bar for cross-platform .NET development. This release aligns with Microsoft’s latest tooling while polishing the features you use every day and pushing Hot Design further as the only visual designer for cross-platform .NET applications.

Uno Platform 6.3 highlights:

• .NET 10 Preview support – Test drive Microsoft’s latest SDK and runtime today.
• Visual Studio 2026 ready – Full support for the new .slnx format and side-by-side compatibility with VS 2022
• WebAssembly breakthrough – Image decoding moved to WebWorkers means your galleries finally scroll smoothly
• TabView refined – The reliability LOB apps demand, with new sizing modes and non-closable tabs
• Hot Design productivity – Search the elements tree instantly, toggle visibility to hide design-time clutter

Read more on our blog post!

Here's the full change log:

Features

• Add a top layer for input handling on iOS (eed794f)
• Add BannerHelper for formatted console output (8743ff0)
• Add comprehensive runtime tests for PasswordBox.PasswordChar visual validation (89d736e)
• Add contract for messages used by UDEI (73b7101)
• Add platform condition attributes to all PasswordBox runtime tests (d6b676d)
• Add support for ManipualtionMode=None (d72aee1)
• Add support for ProviderFromPeer (a4aa4d5)
• Add support for the VSIX channel (8173252)
• Allow zooming keyboard shortcut on WASM (23d8d55)
• Avoid listening to status bar changes when not needed (bf70fa8)
• Implement MoveSizeOperation (1aa8ef5)
• Implement missing args (feea8c3)
• Implement PasswordBox.PasswordChar support for Skia (881c325)
• Improved error reporting on server-side initialization error (b6a9127)
• macOS: Expose UseMetalOnMacOS feature (3e538e4)
• Refactor HR init (add missing files) (cb9f3d9)
• Set tree render dirty on rasterization scale change (794d1e6)
• Shared SKPicture recording (ac367bc)
• Split rendering on iOS (f39ca45)
• Switch to Svg.Skia (d6a2d8e)
• TabView upgrade to latest MUX sources (3b03370)
• udei: Adjust namespace (16be0ed)
• udei: Forward UDEI messages to VSIX + dev-server connection back timeout detection (b6d5b5a)
• udei: Make dev-server send UDEI notifications (f02ca3c)
• udei: Update contract (8e17f0b)
• Update RatingControl styles to winui3/release/1.7.3 (0b08ef6)
• Update RatingControl to winui3/release/1.7.3 (9452e07)
• Update TabView styles (92954da)
• Update TabView styles to 1.8 (f9ed2c5)
• Use shared SKPicture recording on macOS (3317c78)
• Use shared SKPicture recording on WASM (c03a12d)
• TabView drag & drop improvements (3f3a890)
• udei: Add dev-server component messages in UDEI (6381d24)
• Update to .NET 10 Preview 7 (52a6f3e)

Performance Improvements

• allow rendering to proceed even if the UI tree is not fully laid out (bae9374)
• avoid ContinueWith in ImageSource.Open (5a3f492)
• images: load images in a web worker on wasm (8028488)
• only allocate routerArgs when it will be used (9efde6e)
• reduce sk_canvas_set_matrix calls (32889c2)
• visual: avoid SKPath creation for clipping when possible (2c4eb8c)

Bug Fixes

• RemotControl.Server should not require net10 when targeting net9 (e662562)
• Add detailed logging for WebSocket connection reset errors in dev server and client paths (098bed6)
• Address review feedback - add sample to projitems, remove accidentally committed file, make method internal (cdbe9ae)
• Adjust incorrect visual state condition (8463834)
• Adjust relative URI to ms-appx (4825d99)
• Avoid crash when iOS app is backgrounded (d5a1f50)
• Avoid exception in ImageSource implicit converter (5fa3760)
• Avoid invalid sizing of TabView (a43bda8)
• Call PrepareContainerForIndex for all items on Android (cfa4dcb)
• CI for missing window icon extension (2310208)
• Correct CornerRadius theme resources (734fbbb)
• Correcting handling of directories for net9 / 10 (e869791)
• Correctly enqueue the invalidation (29049e1)
• Correctly pass-through input from native overlay layer (ab27ede)
• Drag UI is incorrectly scaled (3ef4bcf)
• Enhance error message for StorageFolder use in ApplicationData (fc471fc)
• Ensure scale is updated along with window size (96f4746)
• Fix invalid update from net9 to net10 (0f92182)
• Fix ManipRoutedEvtArg.Position to be relative to the Container (ae8451e)
• Fix optional UEDI for backward compat (c678e97)
• lint errors (1a2f5ae)
• linter errors (d33f75d)
• linux: crash when creating a GLX window (ff05e3f)
• ListView: Ensure the visual state of list items is reset when dragged outside of bounds (202f7db)
• macOS: external trackpad nsevents (1932484)
• macOS: samplesapp skia generic build (3a5ae92)
• nativedispatchersynchronizationcontext: always enqueue on Normal (3f3915a)
• nativeelementhosting: set the FillType of the native clipping path correctly (87db7c4)
• Prevent roslyn bug by always generating change content (0879ff2)
• Provide separate style for native vs. Skia (020baa9)
• Remove extra blank line in TextBoxView.skia.cs to resolve IDE0055 formatting error (0e522b9)
• Rename namespace to resolve CS0118 TextBox type conflict (4159fea)
• Replace missed elementStubType reference with static _elementStubXamlType (774e357)
• Restore BuildHost folder on net9 (09992ee)
• Return null when TouchesManager is not initialized yet (e6ac090)
• SDK location notes (fac07e6)
• skia: TextBlock.FlowDirection (a1505b3)
• skia: TextBlock.RenderTransform reset when re-arranged (855ae05)
• textblock: invalidate render after arranging (15ab3cd)
• Update framework version condition for Uno.WinUI.DevServer targets (5a32a95)
• Update rolsyn to fix net10 support (ab52c37)
• Use QueueInvalidateRender everywhere (2ad8da9)
• visual: InvalidateParentChildrenPicture does not invalidate self even when includeSelf is true (9843163)
• win32: Mutiple FileSavePicker updates (61c4a23)
• .NET 10 + Android + CS0246 fixes (1826f1b))

Reverts

• Revert "Merge pull request #21292 from unoplatform/dev/dr/hrInfo" (d828f0b), closes #21292

BREAKING CHANGES

• The following methods now throw NotSupportedException:

  • Microsoft.UI.Xaml.ApplicationActivity.GetTypeAssemblyFullName(string) (Android renderer)
  • Microsoft.UI.Xaml.ApplicationActivity.GetTypeAssemblyFullName(string) (Android+Skia renderer)
  • Microsoft.UI.Xaml.NativeApplication.GetTypeAssemblyFullName(string)

  For more details, see related change: Remove some use of [Export] (4d84ee3) and our migration guide.

Full Changelog: 6.2.87...6.3.62