ZeeJay

Thanks for the reply!

maybe this could be something to look into, it seems that tab groups function separately from firefox's native tab groups.  tried to move a tab into the "abc" tab...

Cross compatibility of using similar APIs between major web browsers is possible based on [MDN Reference](https://developer.mozilla.org/en-US/docs/Mozilla/Add-ons/WebExtensions/API/tabGroups) except for some API differences. Regarding backwards compatibility, would having 2 versions of tabgroups...