= ChimeraX Developer Meeting =

Attendance: Greg, Zach, Tom, Eric

August 10, 2026

= Agenda =

* Next group meeting date and speaker
* Nightly builds macOS reproducible garbage collection crash in test suite.
* ChimeraX benchmark time series web page.
* Plato flatpak ChimeraX failing
* Try !PyQt to !PySide for next release?
* Inside ribbon color.
* Work in progress reports.
* Toolshed reduce check for updates result size.
* Make Chimera end-of-life bug report and registration changes.

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= Discussion =

* Next group meeting date and speaker
 - Next group meeting will be August 20.
 - Decided to skip August 13 at our last meeting, Scooter away.
 - Scooter will speak at August 20 meeting.
 - Eric will announce restart of group meetings.

* Nightly builds macOS reproducible garbage collection crash in test suite.
 - Eric tried to reproduce this garbage collection crash on his Mac Studio.  Did not crash.
 - Tom will comment out the specific command test "align #1 to #1" that failed today and see if it crashes in tonight's builds.
 - Seems the crash needs the Github continuous integration environment to happen.


* ChimeraX benchmark time series web page.
 - Zach made a web page of timings of ChimeraX opening and closing structures, cartoon display, and ball style.
 - Used historical 2021-2024 benchmark data.
 - Shows an interesting speed up of 10-50% around the time of ChimeraX 1.7 in 2023.
 - Zach has the nightly builds collecting timings on Mac (chopin) and plato

* Plato flatpak ChimeraX failing
 - Plato (Rocky 8) flatpak ChimeraX updated nightly  exits on startup.
 - Greg says flatpak support needs to be installed on all 4 plato nodes, currently only on one node.
 - Greg installed it on 4 nodes during meeting.

* Try !PyQt to !PySide for next release?
 - Qt 6.11.2 expected out soon.
 - We will test on one of our lab machines to see if Mac main window resize still broken when a floating tool window shown.

* Work in progress reports.
 - Tom working on mutation scores, GUI to associate homolog structures with non-identical sequences.
 - Updating Elaine's mutation documentation.
 - Will try updating ChimeraX OpenFold 3 soon when preview 3 release (currently in private consortium member only testing).
 - Eric working on metal geometry tools.
 - Eric has MD RMSD tool done but still working on user guide documentation.

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= Action Items =