Metadata are not stored.

If you press [ Ctrl ] + [ i ] during you watch the Video. A window pops up. There you can enter metadata, but any fields which I fill up (album, year, Name, autor, comment...) and afterwards press "Save Metadata" are not saved in file.
Tested on win 10, 64 bit with version 3.0.14 and nightly build from 18 Jun 2021.

To upload designs, you'll need to enable LFS and have an admin enable hashed storage. More information