UI misbehaves in Ubuntu

Hi,

I found a bug, didn't find any info. My setup:

   - Netbeans 27 (both snap installation and manual from the website)
   - Ubuntu 24 (gnome)
   - jdk-24-tem [quick test with jdk-21, seems to be running OK]
   - old macbook pro 13
   - external 1080p monitor with gnome's "fractional scaling"

When I maximize the windows in the external display, the main menus seem to
have a left limit on the x-axis: the rightmost align as expected, for the
ones on the left the menu is drawn to the right... e.g.:
[image: Screenshot from 2025-10-14 16-12-19.png]
All menus File-Refactor are drawn in the same position.

Is that a known problem? It seems to be OK with java 21 (I can still build
with java 24) but I wonder if there is a better solution.

Regards,
Juan