Thanks for this. Your explanation is consistent with one particular page that I found had crashed when I used kill on the errant process. It was an animated map of a large graph that could very well have a memory leak, and now with about:processes, w...
Using Ubuntu 22.04 with 12GB ram I get the same problem, and while ctrl-q will exit Firefox when the CPU gets around to it, one process remains and that retains ALL of these greedy processes.As someone else said, I really want to use Firefox, but if ...