From: Tom Goddard
Subject: Re: ChimeraX locks up in a Mac
Date: April 22, 2026 at 10:31:09 AM PDT
To: "Beckman, Joseph S"
Cc: ChimeraX Users Help
This ChimeraX error on Mac is caused by a bug in the Qt window toolkit which appeared with macOS 26. The current ChimeraX daily build uses a newer Qt version (6.10) which appears to fix the problem. The daily build is quite stable, so you may want to use it. It is on the ChimeraX download page. Thanks for the info about Report Bug not working once you hit this error. It must work for some people because this ChimeraX error has been reported dozens of times.