To use these add-ons, you'll need to download Firefox.

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Iceggiren i Undo Close Tab

Undo Close Tab sɣur Manuel Reimer

4,7 n yitran ɣef 5
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15
2
5
1
13
Tiririt sɣur Manuel Reimer

Tiririt n ineflayen

yeffeɣ-d deg för 5 månader sedan
The correct place to discuss issues is GitHub, which is linked in the Add-on description.

By default the Add-on does not place a button. It is "hidden" in the "puzzle piece icon" of Firefox. You can find the Add-on there and use the "Pin to toolbar" option from the "gear icon" next to its entry.