Monday Tuesday Wednesday Thursday Friday Saturday Sunday
            1
About
Free up memory
2
Shortcuts
Trigger screenshot
3
Tabs
Customize the toolbar
4
Shortcuts
Reorder the tabs
5
DevTools
Selecting an item on the fly
6
Shortcuts
Moving the tabs
7
Display
Reader mode
8
About
Tracking protection
9
Shortcuts
Force context menu
10
Tabs
Send a tab to a device
11
Shortcuts
Mute the sound
12
Extensions
Manage/delete/report an extension
13 Shortcuts
Auto URL suffix
14
Address bar
Types of searches
15
About
Energy-hungry tabs
16
Shortcuts
Zooming in a page
17
Tabs
Duplicate a tab
18
Shortcuts
Paste text with the mouse
19
Theme
Dark Theme
20 Shortcuts
Go to top and bottom of page
21
Pictures
Save images even in the code
22
About
about:about
23
Shortcuts
Extract multiple text boxes
24
Tabs
Multiple accounts in the same Firefox
         

–– @hellosct1 (Rep) and Mozinet (Communication referent) on behalf of French-speaking Mozilla Community

Previous Advent Calendar recap : 2018 Extensions Advent Calendar by French-speaking Mozilla Community

With Firefox Quantum in November 2017, Mozilla has been radically changing the model of its extensions. After more than a year, it seemed to us to be the right time to propose a new Advent calendar focused on extensions…

Crédit illustrations : Drawing of the Fox by Rendleflow. All rights reserved.