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Uno Platform Health Status
#18353 · jeromelaban opened on Oct 1, 2024
🍀 Opened Microsoft issues tracking
#982 · jeromelaban opened on May 29, 2019
2
[Epic] Rider issues tracking
#15226 · jeromelaban opened on Jan 26, 2024

[Skia] Collapsing an element recomputes hit-test visibility through the property system for its whole subtree
unoplatform/uno#25025 · opened on Oct 5, 2026
Runtime tests fail at non-100% display scale: about 67 layout and screenshot assertions assume 100%
unoplatform/uno#25022 · opened on Oct 5, 2026
SystemColor placeholders: Light dictionary holds high-contrast values, HighContrast has black-on-black Window/WindowText
unoplatform/uno#25021 · opened on Oct 5, 2026
Use the MUX theme dictionary keys in the InfoBar, MenuBar, NumberBox, RadioButtons and TreeView resources
unoplatform/uno#25020 · opened on Oct 5, 2026
Regenerate the Uno.UI acrylic theme resources from MUX
unoplatform/uno#25019 · opened on Oct 5, 2026
Remove Uno.UI.Controls.Legacy.ProgressRing in 7.0
unoplatform/uno#25018 · opened on Oct 5, 2026
Re-sync older MUX control ports with WinUI 2.5.1
unoplatform/uno#25017 · opened on Oct 5, 2026
Align the CalendarView, CalendarDatePicker and DatePicker overlays with WinUI
unoplatform/uno#25016 · opened on Oct 5, 2026
Re-sync the InfoBar, TreeView and RatingControl fallback styles with MUX 2.5.1
unoplatform/uno#25015 · opened on Oct 5, 2026
Given_TextBlock.When_Font_Has_Manifest is flaky on iOS/tvOS (test doesn't await font loading)
unoplatform/uno#25014 · opened on Oct 5, 2026
Given_TextBlock.When_Inlines_Transitively_Change fails when Windows is in dark mode (expects OS-theme default brush)
unoplatform/uno#25013 · opened on Oct 5, 2026
MUX runtime-test input helpers (click, tap injection, keyboard) don't work on the WinAppSDK leg
unoplatform/uno#25012 · opened on Oct 5, 2026
XAML generator emits ApiExtension registrations for non-public types, breaking the consuming app with CS0122
unoplatform/uno#25010 · opened on Oct 5, 2026
WASM accessibility: every scroll re-positions the whole visual subtree of the scroller (thousands of interop calls per step)
unoplatform/uno#25009 · opened on Oct 5, 2026
WASM ms-appx asset loading ignores HTTP errors and has no timeout or retry, so one bad response breaks the session
unoplatform/uno#25008 · opened on Oct 5, 2026
WASM (Skia): wheel events are always preventDefault'ed, so an embedded Uno app traps the host page's scrolling
unoplatform/uno#25007 · opened on Oct 5, 2026
1
WebAssembly app fails to start in an iframe sandboxed without allow-same-origin (localStorage SecurityError)
unoplatform/uno#25006 · opened on Oct 5, 2026
With nothing focused, key events are raised above Window.Content, so KeyDown handlers on Window.Content stop firing
unoplatform/uno#25004 · opened on Oct 5, 2026
DatePicker flyout: LoopingSelector ignores touch pan after the flyout is closed and reopened (Skia)
unoplatform/uno#25005 · opened on Oct 5, 2026
UIElement.Arrange compares the unrounded rect with the layout-rounded m_finalRect, so off-pixel-grid elements are re-arranged on every pass
unoplatform/uno#25002 · opened on Oct 5, 2026
Skia damage region union via SKPath.Op drops whole regions on 6.7/6.8, leaving stale fragments of moving shapes
unoplatform/uno#25001 · opened on Oct 5, 2026
Unloaded is raised synchronously during tree removal (WinUI queues it), so moved elements see a different Unloaded order and IsLoaded than WinUI
unoplatform/uno#24999 · opened on Oct 5, 2026
XamlRoot.Changed is not raised when Window.Content changes (no per-frame flush of the pending event)
unoplatform/uno#24998 · opened on Oct 5, 2026
BringIntoViewRequested is raised synchronously from StartBringIntoView (WinUI routes it asynchronously)
unoplatform/uno#24997 · opened on Oct 5, 2026
Measure() on a detached Path, Rectangle, Image or Canvas returns a non-zero DesiredSize, but WinUI leaves it at 0,0
unoplatform/uno#24996 · opened on Oct 5, 2026

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Issues

Issues

[Skia] Collapsing an element recomputes hit-test visibility through the property system for its whole subtree

Runtime tests fail at non-100% display scale: about 67 layout and screenshot assertions assume 100%

SystemColor placeholders: Light dictionary holds high-contrast values, HighContrast has black-on-black Window/WindowText

Use the MUX theme dictionary keys in the InfoBar, MenuBar, NumberBox, RadioButtons and TreeView resources

Regenerate the Uno.UI acrylic theme resources from MUX

Remove Uno.UI.Controls.Legacy.ProgressRing in 7.0

Re-sync older MUX control ports with WinUI 2.5.1

Align the CalendarView, CalendarDatePicker and DatePicker overlays with WinUI

Re-sync the InfoBar, TreeView and RatingControl fallback styles with MUX 2.5.1

Given_TextBlock.When_Font_Has_Manifest is flaky on iOS/tvOS (test doesn't await font loading)

Given_TextBlock.When_Inlines_Transitively_Change fails when Windows is in dark mode (expects OS-theme default brush)

MUX runtime-test input helpers (click, tap injection, keyboard) don't work on the WinAppSDK leg

XAML generator emits ApiExtension registrations for non-public types, breaking the consuming app with CS0122

WASM accessibility: every scroll re-positions the whole visual subtree of the scroller (thousands of interop calls per step)

WASM `ms-appx` asset loading ignores HTTP errors and has no timeout or retry, so one bad response breaks the session

WASM (Skia): wheel events are always preventDefault'ed, so an embedded Uno app traps the host page's scrolling

WebAssembly app fails to start in an iframe sandboxed without allow-same-origin (localStorage SecurityError)

With nothing focused, key events are raised above Window.Content, so KeyDown handlers on Window.Content stop firing

DatePicker flyout: LoopingSelector ignores touch pan after the flyout is closed and reopened (Skia)

`UIElement.Arrange` compares the unrounded rect with the layout-rounded `m_finalRect`, so off-pixel-grid elements are re-arranged on every pass

Skia damage region union via SKPath.Op drops whole regions on 6.7/6.8, leaving stale fragments of moving shapes

Unloaded is raised synchronously during tree removal (WinUI queues it), so moved elements see a different Unloaded order and IsLoaded than WinUI

XamlRoot.Changed is not raised when Window.Content changes (no per-frame flush of the pending event)

BringIntoViewRequested is raised synchronously from StartBringIntoView (WinUI routes it asynchronously)

Measure() on a detached Path, Rectangle, Image or Canvas returns a non-zero DesiredSize, but WinUI leaves it at 0,0