Oh the joys of Linux. The simplest things take the longest and you always end up learning some random ecosystem you never wanted to learn. Eventually you will find some weird set or circumstances that make everything work in which case you will never touch it again. Then 5-10 years from now you will finally realize all the mistakes you made when you no longer care about the problem you are trying to solve.
This is the community fork that is still maintained. There are multiple instances like invidious and from what I understand it is relatively easy to self host. Since it is only for short term file storage and its E2EE I do not really mind using one of the public instances.