4 ms·In Firefox type 'about:processes' into the address barby mtmail 6y agoIn Firefox type 'about:processes' into the address bar8bitsrule 6y agoThat must be new. I had to settle for 'about:performance'.rococode 6y agoIt's pretty new, released around June 2020 iirc. It's great, basically what I've always wished for.