tab groups don't work as advertised
The article at https://support.mozilla.org/en-US/kb/tab-groups says (and shows a mockup animation) to drag a tab onto another tab to create a tab group. It also says the … (read more)
The article at https://support.mozilla.org/en-US/kb/tab-groups says (and shows a mockup animation) to drag a tab onto another tab to create a tab group. It also says the feature is being rolled out in v137 and will be available to all users by May 6.
It's May 8, and I'm using v138, but dragging a tab onto another tab just reorders the tabs.
What's the deal?