created an mozilla account just to rate this 5 stars, thanks very much

Works! It would be cool if it was compatible with the groups. When the group is closed it arranges the tabs as it was open.

Perfect! Just what I was looking for. Thank you! :)

Thank youuuuuuu. They really should include the ability to change keybindings by default in firefox.

Work perfectly. Does exactly what it says in the description

super helpful for linux users