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.

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

Thanks a lot for making this! It helps a ton on Linux.

Very useful addon, I don't understand why Firefox don't use it by default.

Absolutely superb add-on. Does precisely what it says it does and no more. Requires zero permissions.