After upgrading to fedora 37 on my work system I experience frequent crashes of the X11 server causing an automatic logout and loss of all my open windows. This ONLY happens when I use fvwm (which is my window manager of choice), and mostly happens when minimizing/maximizing the firefox window, but I have seen it with other applications occasionally as well. I believe this is related to https://bugzilla.redhat.com/show_bug.cgi?id=2158562 which suggests it may be related to the upgrade of libX11from 1.8.3 to 1.8.4. However, after reading https://utcc.utoronto.ca/~cks/space/blog/unix/Fvwm2ToFvwm3?showcomments I believe this is more likely an issue in fvwm2. So I manually downloaded the latest fvwm3 from github, installed it, and started using it, and this indeed solved my problems. This leads to my main question: when will the fedora fvwm package move to fvwm3? If you wish I would be happy to step in as co-maintainer to help out here. Reproducible: Always Steps to Reproduce: 1. start a session with fvwm2 2. start firefox 3. minimiza and maximize the firefox window a few times. Actual Results: The X session crashes and I end up loosing my session and all its content and am thrown back in to the gdm login screen. Expected Results: Fvwm should never let the X-server crash by some user action like mouse clicks and just continue to run.
Software versions for which this occurred: fvwm-2.6.9-8.fc37.x86_64 libX11-1.8.4-1.fc37.x86_64 firefox-114.0.2-1.fc37.x86_64
Note that I have also seen the same problem (but less frequent) for fedora 38. There I used software versions: fvwm-2.7.0-3.fc38.x86_64 libX11-1.8.6-1.fc38.x86_64 firefox-115.0-2.fc38.x86_64 With fedora 36 and earlier I never had this type of problems.