Reported on reddit here: https://www.reddit.com/r/firefox/comments/1j7t60g/weird_glitchesartifacts_in_firefox_focus/ Device is a Redmi Note 3 (Adreno 510) Looks like an issue rendering masks, eg rounded rect clips, shadows Reporter ran mozregression and found bug 1922323, which seems plausible as it was a refactoring of render target logic. Probably accidentally made a slight functional change which has uncovered a driver bug.
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Reported on reddit here: https://www.reddit.com/r/firefox/comments/1j7t60g/weird_glitchesartifacts_in_firefox_focus/ Device is a Redmi Note 3 (Adreno 510) Looks like an issue rendering masks, eg rounded rect clips, shadows Reporter ran mozregression and found bug 1922323, which seems plausible as it was mostly a refactoring of render target logic. Probably accidentally made a slight functional change which has uncovered a driver bug.