C.#Firefox just keeps getting worse.
I don't know exactly which version this started with, but for the last few months Firefox has been a #CPU hog for me. Even when not interacting with any browser windows, the CPU usage of various processes - the main firefox #process, the content-sandboxing #processes, the WebExtension processes - will be taking significant CPU in bursts. There's frequently an Isolate... process using ~100%, and the main process will sit at 90% for a while before jumping to 160%.
It's significant enough that it makes actually using the #browser #annoying. Pauses for one or two seconds while typing or scrolling as it does ... whatever it's doing while chewing CPU, and these happen every few seconds. Like 3 or 4 times for each line I'm typing in this window right now.
There's nothing obvious to account for this workload. There are no videos playing, or animations, or sound. There are no continuously-updating pages or web apps running. I have uBlock Origin (adblocker) and Privacy Badger running, which significantly reduces the amount of work the browser does because there's no ad scripts to screw around in the background. The only thing I'm actively doing in Firefox at the moment is typing this toot. And yet still it pauses constantly.
1/2
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