It would be nice if I would not have to set up all my search engines and their short codes with every new installation but could sync them just like my add-ons and history.
Remember sites, keywords? I can't even get google to explain “keyword,” but you're already on a computer, and you don't screen grab the info or enter the info to ff and Notepad? I Notepad lots of my system settings, when I have to, and google syncs them, but quite possibly I'm missing something about this.
140.0 relnotes mention "Custom Search Engines: Firefox now supports adding even more search engines. To add a custom engine, right-click a search field of a supported website and select “Add Search Engine”, or go to Settings > Search > Add…"
I kinda hoped that would also bring in sync, but apparently still not 😞