As codecs go, I love AV1. More and more hardware support everywhere, it seems more future proof than h265 even at this point.
Rip at native DVD resolution and don't forget ALL the audio tracks, as many English users always forget about the rest of the world.
I want to print from a web page: upload the file, hit print button.
In this way I can print from whatever device I want even without any driver installed or configuration.