I have seen very similar bugs (the same text glitches for sure) under Linux (Radeon RX580, open source drivers) in the past. I had put it down to open source dr

I have seen very similar bugs (the same text glitches for sure) under Linux (Radeon RX580, open source drivers) in the past. I had put it down to open source drive stack bugs, but maybe it was actually a Firefox bug? I’ll try and take a screenshot next time it happens & report it.