The profiles and the description strongly suggest fallback to sw-wr (due to reasons like gpu-process crash, or OOM due to large textures etc.) @Yannis: can you please attach the contents of your about:support before the bug repros, adn after the bug repros?
Bug 1893205 Comment 2 Edit History
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The profiles and the description strongly suggest fallback to sw-wr @Yannis: can you please attach the contents of your about:support before the bug repros, adn after the bug repros?