Umatrix became unmaintained because ublock origin can handle most of its use cases. You just need to run Ublock origin in medium or hard mode. More info ca he found on wiki: https://github.com/gorhill/uBlock/wiki/Blocking-mode:-medium-mode
NixOS can do that.
Umatrix became unmaintained because ublock origin can handle most of its use cases. You just need to run Ublock origin in medium or hard mode. More info ca he found on wiki: https://github.com/gorhill/uBlock/wiki/Blocking-mode:-medium-mode