https://github.com/qnblackcat/uYouPlus
the original software on which this is based is still around. you need to patch it yourself these days, but its not to hard to find a prepatched version on something like https://appdb.to
it works pretty well, you may need to change some A/B flags to get sponsorblock to work and the home and subscription feeds are buggy as hell, but at least it blocks the ads, for now.