misses youtube vertical 4K60p formats(f272)

doesn't work on this youtube video: https://www.youtube.com/watch?v=tO01J-M3g0U

just for your info, savefrom.net script doesn't work in chrome canary

can you make it work on the youtube search result page?

it's not working on youtube subscriptions feed page

add support for new youtube format: vp9 2160p webm9 (f313)

plz add support for formats 250 and 251: audio-only opus webm url: https://www.youtube.com/watch?v=D0OljppEDQ0

add support for new youtube 4k format f266