RFR: JDK-8365426 : [macos26] Graphics2D tests fail on new macOS 26

[Sergey Bylokhov]

On Fri, 14 Nov 2025 23:09:51 GMT, Harshitha Onkar <honkar at openjdk.org> wrote:

>Currently the test fails on CI (macOS26) creating noise and adding a color tolerance is the best workaround for now until the root cause or the new feature/setting which is causing the issue on macOS26 is found. I can create a new JBS issue to track it.

So the reason is actually unknown, and it does not seem to be related to blending on the corners or to shadows. So why did we change the test instead of investigating why J2D renders the wrong color? It could be better to problem list it since initial version was able to reproduce the bug.

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PR Review Comment: https://git.openjdk.org/jdk/pull/28312#discussion_r2529308681