Great!⭐ Not sure if this is still being worked on, but option to change icon click default action i.e. open last closed tab & right click to open list. ̶C̶h̶a̶n̶g̶e̶ ̶m̶e̶n̶u̶ ̶w̶i̶d̶t̶h̶. Thank you👍

Hello, great addon !!
however if you untick "Save Closed Tabs Between Browser Sessions" in the options page, saved pages still here when you close / restart Firefox..