Earlier quoted context omitted.
Or uBlock origin (from the same author) which is still maintained
It is maintained but the UI for dealing with JS is horribly time consuming and overly complex compared to uMatrix. I'll never really understood it and I keep using uMatrix on my laptop. I switched to NoScript on my phone. Maybe I can install uMatrix now if Mozilla really unblocked many extensions. If uMatrix stops working, I'll switch to NoScript everywhere for JS and uBO for all the other issues.
It’s surprising how well the internet works without JavaScript.