It seems that I can always repro freezing even with version 100 if I do enough pinching/zooming/scrolling. So it could be occurring as we stack pinch/zoom/scroll events, with each event getting answered too slowly we stack up more computations until we are unable to respond at all. This makes the issue quite hard to bisect, even though I feel like it's easier to get the freeze with more recent versions, I'm never sure if I reach it because it's the issue we're looking for or because I tried too hard to get it. I know that's not super helpful... Curious to read how it goes for [:julienw].
Bug 1890537 Comment 13 Edit History
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It seems that I can always repro freezing even with version 100 if I do enough pinching/zooming/scrolling. So it could be occurring as we stack pinch/zoom/scroll events, with each event getting answered too slowly we stack up more computations until we are unable to respond at all. This makes the issue quite hard to bisect: even though I feel like it's easier to get the freeze with more recent versions, I'm never sure if I reach it because it's the issue we're looking for or because I tried too hard to get it. I know that's not super helpful... Curious to read how it goes for [:julienw].