https://www.reddit.com/r/firefox/comments/1dj647u/av1_arm64_qualcomm_snapdragon_x_surface_pro_11/ As pointed out in the comments, our disabling of AV1 on ARM is from 2019 or before. Modern ARM systems are powerful enough to do AV1 decode, AV1 decoders are now ARM optimized, and the new Snapdragon supports both hardware decode *and* encode. This decision should probably be re-evaluated.
Bug 1903479 Comment 0 Edit History
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https://www.reddit.com/r/firefox/comments/1dj647u/av1_arm64_qualcomm_snapdragon_x_surface_pro_11/ As pointed out in the comments, our disabling of AV1 on ARM is from 2019 or before. Modern ARM systems are powerful enough to do AV1 decode, AV1 decoders are now ARM optimized, and the new Snapdragon supports both hardware decode *and* encode, and there's a new push to get more Windows ARM hardware out. This decision should probably be re-evaluated.