Review for ThreadKey by Davide-NYC
Rated 4 out of 5 stars
Minor Bug Report: In TB 115.6.0 (64-bit) the keyboard shortcuts do not work. The View --> Sort By --> Threaded/Unthreaded/Grouped objects do work when you click them, just not the keyboard shortcuts (T/U/G).
To create your own collections, you must have a Mozilla Add-ons account.