[jdk25u-dev] RFR: 8335646: Nimbus : JLabel not painted with LAF defined foreground color on Ubuntu 24.04

[duke]

On Wed, 11 Feb 2026 16:34:46 GMT, Roland Mesde <duke at openjdk.org> wrote:

> Backporting JDK-8335646: Nimbus : JLabel not painted with LAF defined foreground color on Ubuntu 24.04.
> 
> This PR standardizes to the font across platforms to a full block unicode character text optimized for easier red pixel detection. Test now passes on all platforms including Ubuntu 24.04..
> 
> For parity with Oracle JDK.
> 
> Ran related tests on linux-x64 (Ubuntu 24.04), linux-aarch64 (Ubuntu 24.04), macos-aarch64 and windows-x64:
> 
> make test TEST=test/jdk/javax/swing/plaf/basic/BasicHTML/bug4248210.java
> 
> Results attached:
> 
> [windows-x64-specific-test.log](https://github.com/user-attachments/files/25267927/windows-x64-specific-test.log)
> [macos-aarch64-specific-test.log](https://github.com/user-attachments/files/25267929/macos-aarch64-specific-test.log)
> [linux-x64-specific-test.log](https://github.com/user-attachments/files/25267930/linux-x64-specific-test.log)
> [linux-aarch64-specific-test.log](https://github.com/user-attachments/files/25267931/linux-aarch64-specific-test.log)

@rm-gh-8 
Your change (at version ea140fcc5e88de12b476a3d4337e1575f35c1ffa) is now ready to be sponsored by a Committer.

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PR Comment: https://git.openjdk.org/jdk25u-dev/pull/254#issuecomment-3909760592