I am not the author. Just thought this was interesting.
According to one of the maintainers
YouTube/Google has patched the latest workaround that we had in order to restore the video playback functionality.
Right now we have no other solutions/fixes. You may be able to get Invidious working on residential IP addresses (like at home) but on datacenter IP addresses Invidious won’t work anymore.
Interesting…TIL again!