This addon is helpful when you want to switch between two tabs. By pressing Alt-q it'll switch between current tab and previous tab. Customizing hotkey will come in future versions.
If you think this add-on violates Mozilla's add-on policies or has security or privacy issues, please report these issues to Mozilla using this form.
Please don't use this form to report bugs or request add-on features; this report will be sent to Mozilla and not to the add-on developer.