I use Fennec and Nightly on Android, mostly because of extensions. On desktop, I’ve been using Vivaldi.
Personally I feel that XUL Gecko > Vivaldi Chromium > Current Gecko. Especially since Vivaldi’s built in tracker and ad blocker is really good and Chromium feels much smoother than current Gecko. I do hate that it’s propping up Chromium market-share, but at least I can set up Vivaldi to use their own custom user agent.
I feel that Gecko/Firefox lost so much with the switch away from XUL and to WebExtensions.



There’s something about Times Square pictures from < 2007. <3
Even if they do make me associate it with the movie Phone Booth.