Double-tap zoom on Firefox
Firefox now supports the double-tap "smart zoom" feature, similar to the one of Safari, on macOS.
Unless I'm mistaken, this has been enabled with this commit. Weirdly there are two different settings to have the feature fully enabled, but still, it works pretty well - not as polished as on Safari, but it gets the job done.
To enable it, head to
about:config and make sure these two settings are set to