[kruuuder]

I tried 1blocker and Wipr. Both failed to block YouTube ads due to said API limitations (as confirmed by their devs).

If it's in fact an API limitation, why bother trying yet another blocker? After your reply, I did a quick search for Adguard and found this:

https://www.reddit.com/r/Adguard/comments/nahkk4/adguard_not...