Personally I had this issue from this version last version wasn't that bad. I did report but there doesn't seem to be anyway to report the problem. I tried reporting the bug several ways they all lead to common issues not ways to report to the techni...
Firefox is running multiple instances of their own same process 5 to 8 times and always one of them starts eating up ram space like crazy.I got instances of up to 16 gigs of ram being used to run Mozilla. All you need to do to create this bug is open...
I'm also having the same problem tried chrome and when I close a tab they usage drops with Firefox usage just keeps going up never dropping regardless of how many tabs I close. Even After I close the app I need to completely close it on task manager ...