I use Firefox on both my work and home computer as well as my Android phone. I have for years, and until I got a Surface 8 Pro with Windows 11 Home (in case that matters), the behavior across devices was generally consistent, especially after I created a profile and signed into it across all of my devices. Firefox on that device, though, has given me a couple weird differences/issues. First, I've noticed that the pop-up blocker seems much more "sensitive" on my home computer than on any other devices. A link I click on on my home computer will trigger the pop-up blocker, whereas my work computer will just send me to the link. An example where I see a different behavior is on the Wordle home page: https://www.nytimes.com/games/wordle/index.html. When I click the light bulb at the top on my home computer, the pop-up blocker is triggered, but when I do the same from my work computer, it just goes straight to the link that icon is for. Now more recently, I've found that sound from a webpage (say YouTube) played on my home computer comes out of the speakers regardless of whether there's a device in the audio jack, which of course my work computer does not do. I've confirmed it's a Firefox problem and not a larger device problem, as other programs output to the audio jack when something is plugged in there just fine. I've tried resetting my device obviously, and I've even tried doing a Firefox refresh, progressively deleting more and more profile information, and finally uninstalling Firefox completely, removing the Mozilla folder in %APPDATA%, and removing the registry entries that Revo Uninstaller identified, to try to make it as close as possible to the "factory" default, all to no avail.