We are not rounding corners in button borders on Win11
See original GitHub issue- .NET Version: 7.0 Preview1
Problem description:
https://github.com/dotnet/winforms/pull/6059 updated the colour of the Button’s borders, however it regressed the rendering on W11
Here’s .NET 7.0 vs .NET 6.0
…magnified:

Expected behavior:
The borders are rendered correctly
Issue Analytics
- State:
- Created 2 years ago
- Comments:6 (6 by maintainers)
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Verified this issue in the .Net 7.0 and .Net 8.0 SDK build, all are fixed as following screenshot. Close this issue now.
I believe it was fixed by https://github.com/dotnet/winforms/pull/6522 and this issue can be closed. @Olina-Zhang could you please retest it on current versions?