More context: It's a successor to Vanced, a patched Android YouTube client that, among other things, disabled ads. https://en.wikipedia.org/wiki/YouTube_Vanced?wprov=sfla1 ReVanced apparently had patches for more apps, which seems to have contributed to the takedown.
See also https://forum.xda-developers.com/t/app-discussion-revanced-t..., and previously https://news.ycombinator.com/item?id=30801912.
Why are these mod projects bothering to distribute on GitHub but then try to obfuscate what they do into Discords and online subculture hangouts?