= ChimeraX Developer Meeting =

Attendance: Zach, Eric, Tom, Greg

April 6, 2026

= Agenda =

* Switch from PySide to PyQt.
* Progress on DockerHub ChimeraX.
* Inside ribbon color?
* Toolshed reduce query result size.
* Residue notes in mmCIF, Oliver Clarke
* Chimera not working with macOS 26, graphics pane positioned over command-line.
* Work in progress reports
* Make Chimera end-of-life bug report and registration changes.

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= Discussion =

* Switch from PySide to PyQt.
 - Zach will switch ChimeraX daily build from PySide 6.10.1 to PyQt 6.10.2 today.
 - We would prefer to try Qt 6.10.3 out 5 days ago that has 250 bug fixes beyond 6.10.2, but PyQt has not released of 6.10.3 version and probably will not release one.
 - We could copy the Qt 6.10.3 libraries into ChimeraX with PyQt 6.10.2.
 - First let's try PyQt 6.10.2 with Qt 6.10.2.  Then if we can consider and test in our devel builds using Qt 6.10.3.

* DockerHub ChimeraX
 - Zach will make a docker image with ChimeraX without Qt libraries and Rocky 9 to put on DockerHub for PDBe to use addh in workflows.
 - Discussed whether --nogui option will be required.  Could possibly specify the --nogui option in the docker config file so the image can run ChimeraX without explicitly using --nogui.

* Inside ribbon color?
 - Eric and Tom will work on adding ribbon inside color.
 - Was requested recently on mailing list.
 - Also requested several times in past years.

* Toolshed reduce query result size.
 - Toolshed updates query currently uses cached result for each ChimeraX version 1.2 - 1.12.
 - Greg wants to make those files smaller by including only last 3 compatible releases of each package.
 - Greg will see how much that reduces updates download size.

* Residue notes in mmCIF, Oliver Clarke
 - Oliver Clarke proposes putting residue notes in mmCIF files in a new table including note author and time stamp.
 - Oliver has this capability in Coot already.
 - Wants ChimeraX to be able to read and write these notes.
 - Oliver made a ChimeraX bundle to read and write notes.  Not on Toolshed.
 - Greg will advise Oliver that label_asym_id should be used not auth_asym_id.
 - Not clear why Oliver would not just submit a ChimeraX toolshed bundle for this.  Maybe he wants tighter integration in mmcif reader/writer, or just wants it to be present without user having to install separately.

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= Action Items =