zenith

Yep, it's a memory leak, and like stated above, one process is responsible for it, but according to my diagnosing (might be limited to the windows build), not the extensions,...

> @AtTheZenith What does `about:memory` report? What if you open Zen in safe mode? (press and hold the Shift key and launch Zen) 1.2gb ram usage (in safe mode) under...

i forgot to mention task killing the memory intensive program (that was consuming 3 out of 5 gb) kills my youtube tab and @MariuszGaljanVT your hypothesis of it being pinned...