microsoft / microsoft/WinUI-Gallery

Source code blink while scrolling

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bug external-bug
Dominant language
C#
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Merged PRs (30d)
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Description

Which version of the app?

WinUI 3 Gallery

Description

Sorry for that recording by mobile phone, because the Windows built-in recorders (both Win+G and Win+Shift+S) can not capture the blink effect.

https://github.com/user-attachments/assets/8b452533-35ec-4fc6-8cba-ac2c23cd2aaf

Version: 2.5.1.0

Screenshots

No response

Windows version

Windows 11 24H2 (26052)

Additional context

No response

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by reproducing the blink while scrolling source code in WinUI 3 Gallery version 2.5.1.0 on Windows 11 24H2 (26052), using the linked recording as the symptom reference. Trace the affected source-code view and determine the cause; done means scrolling no longer causes visible blinking.

Written by the indexing model from the issue text.

Assessment

Tech stack
csharp
Domain
desktop
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
32/100

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