Be careful with old versions!
These versions are displayed for reference and testing purposes. You should always use the latest version of an add-on.
- Make it a "bootstrapped" (restartless) addon.
- Do not compress the xpi heavily, as we are no longer unpacked on install.
- Work on both the new tab button stuck to the tabs and the separate button.
- Disable the default middle-click action the new tab button now has.