Firefox on Linux has consistently worked brilliantly for me for years - until a few months ago. I now find it really struggles with Zoom, and regularly becomes

Firefox on Linux has consistently worked brilliantly for me for years - until a few months ago. I now find it really struggles with Zoom, and regularly becomes barely responsive with Slack. But I don't know if this is because of changes to Firefox, Slack/Zoom, Linux, Nvidia drivers, or something else. And I have no way to find out, short of retraining as a desktop performance engineer.