Hi Hiro, would you mind to double-check if this is a duplicate of some other issue already being tracked as a potential regression introduced by the feature enabled through the "layout.animation.prerender.partial" pref? ---- As a side note, I'm not sure yet (and still curious about) what is the role of ublock on triggering this issue (and if it has any actual role, e.g. maybe it apply some cosmestic changes to the page through css and that as a side-effect may be making it easier to trigger the actual underlying bug?).
Bug 1716179 Comment 18 Edit History
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Hi Hiro, would you mind to double-check if this may be a duplicate of some other issue already being tracked as a potential regression introduced by the feature enabled through the "layout.animation.prerender.partial" pref? ---- As a side note, I'm not sure yet (and still curious about) what is the role of ublock on triggering this issue (and if it has any actual role, e.g. maybe it apply some cosmestic changes to the page through css and that as a side-effect may be making it easier to trigger the actual underlying bug?).