How the hell is VP9 encoding THAT much slower than h265?! I thought I'd misread the labels at first, but nope: apparently it really is somwhere from 5x to 10x slower, to produce worse results.
The most promising is SVT-VP9, which can do real-time encoding with comparable (arguably better) quality per bit. However, SVT is mostly focusing on AV1, so the VP9 encoder is an afterthought with a faction of the attention of the AV1 encoder. Still mostly an improvement over the reference encoder, though.
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