Firefox Quantum tweaks - decembre/Userstyles-and-Firefox-tweaks GitHub Wiki

# How to Have TabMix Plus with Firefox Quantum?:

Tab Mix Plus is a very popular legacy extension for the Mozilla Firefox browser that enhances Firefox's tab browsing abilities.

It includes such features as duplicating tabs, controlling tab focus, tab clicking options, undo closed tabs and windows, plus much more.

Session Manager feature is not included at the moment since it requires complete rewrite.

Go here and follow the instructions (very detailed):

TabMixPlus [onemen]

Note: After updating to Firefox version 101 or newer, you have to reinstall userChromeJS and Tab Mix.****

# How to have the return old the Status Bar with Quantum ?

Brings back the good old status bar (also known as Addon Bar) at the bottom, with status text plus any buttons you want.

Read: xiaoxiaoflood / firefox-scripts [userChromeJS] and install too its "Status Bar" userscript