Seems like a browser difference because it works on Chrome.

Thanks for such a quick response. I wanted to test the fix, but Augmented Steam Version: 4.1.2 is still the newest published version at the moment. I'll need to wait for the next version before I can test the fix (unless there is a way for me to try a beta version).

You can download a build for the linked PR here https://github.com/IsThereAnyDeal/AugmentedSteam/actions/runs/11032651093

I'm a bit embarrassed to admit that I don't know how to install via that link (Build Augmented Steam (firefox) / Build firefox), ie how/where to run any of those commands. Perhaps I just need to wait for an official release. Thanks anyway.

No need to run any commands, just download a build from the Artifacts section below. To sideload on FF, enter about:debugging in the address bar and select this firefox > load temporary addon.

At the "about:debugging#/runtime/this-firefox" page I click [Load Temporary Add-on...] and it wants me to pick either a file or directory (folder). I'm hesitant to do so without one more hint from you since I don't want to screw up FF. My guess would have been to select the folder X:\firefox\ (or else one of the three files in the parent folder), but I'll wait for your response (if you have time). Thanks.

Selecting any file will do.

ps - The about:debugging page also shows my installed extensions, including "Augmented Steam". Would I first disable that official Augmented Steam version before I "sideload" (whatever that means) the beta version? And, later (when the new release version comes out, would I just uninstall the beta version and Enable the official version (and tell it to update)?

The offical one will also be disabled when you sideload a temporary one, and it will also be removed automatically after you restart FF.

Thank you. At the FF about:addons page, I first "Disabled" my release version of the FF Augmented Steam extension (maybe an unnecessary step) . Then I "sideloaded" the beta version. I notice that about:addons now shows Augmented Steam under "Enabled" and nothing under "Disabled" (so I assume it just "replaced" it?). I wonder if all my settings were preserved (on 9/13/24 I did make a backup of my option settings in a file I named "ffe Saved Options AugmentedSteam_v4.1.1.json" which I assume I could restore if needed). I tested the fix and it does work for me (THANKS). When the update is released will it automatically replace the installed beta?

Settings should persist. Temporary addons are removed when you restart FF and will also not update.

"Temporary addons are removed" ... will my release version come back at that point or will I have to reinstall it? Thanks.

Temporary addons are just temporary and don't affect the installed one, other than some limitations such as shared storage.