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The viewing options OP listed should all work with AV1, I think they were just worried by the preset names. Plus, hardware support should only get better.
OP, you should be able to adjust settings after you select a preset, so you can pick different dimensions/frame rates/audio codecs/etc.
Side note, I’ve found that the matroska container is the easiest one for me to use if I want better subtitle support.
You could set up btrfs snapshots, too. Of course, don’t forget to take a snapshot before you break your configs.