Welcome to Firefox for Android Add-ons.
Add extra features and styles to make Firefox for Android your own.
CloseDeveloper reply by Philippe V.
Rated 5 out of 5 stars
Great addon until ver 55.5. All address books disappeared. Restored Thunderbird. Installed ver 55.6 with same nasty results. Again, restored Tbird. Last working version is 55.2.
Update: Restarting Tbird did the trick. Thanks for the quick response.
workaround here : https://gitlab.com/CardBook/CardBook/-/issues/1172#note_512218318
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