Could the issue you are describing be related to https://github.com/openjdk/jfx/pull/2052 ?
Would you mind checking (or better, review) this PR? Thanks! -andy From: Florian Kirmaier <[email protected]> Date: Tuesday, June 30, 2026 at 05:58 To: [email protected] <[email protected]> Subject: [External] : Popup Rendering bug between 26.0.1 and 27-ea-20 known? Hi JavaFX-Community, I randomly found a rendering bug somewhere between 26.0.1 and 27-ea-20. Seems to happens on a Context-Menu, when it gets opened the second time, it suddenly bigger but on changes the rendering gets wrong. Some wrong rectangles appear and looks generally a bit glitchy in different ways. Looks like a dirty-region bug. Some scaling-effects might be relevant. Is something like that known or worked on? Can't share the app, but if it helps, I could work on an isolated reproducer and find out which commit caused it. But only, if currently no one already works on it. Greetings Florian Kirmaier
