Intermittent CPU usage issue with unclear repro steps and potential deadlock in service worker.
The issue involves excessive CPU usage caused by React DevTools, even after closing all browser tabs. The problem appears intermittent and may be related to a deadlock in the service worker. The lack of clear repro steps and the complexity of debugging service worker behavior make this a challenging issue to address.
Happens even after all tabs are closed
I don't have clear repro steps yet. Occasionally I will notice that Chrome is using 170%-200% CPU. I close all my tabs, and it continues. Then I open the extensions management page and disable react devtools. This immediately fixes the problem. Re-enabling the extension does not re-engage the high cpu issue.
Sometimes
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