Did you try to update browse to actual version?

Ok. i will write to dev,team

Please try to use only FVD Speed Dial for sync of bookmarks,  And try to disable EverSync.

Hello

1) Do you use autosync?

2) Do you use only EverSync or FVD Speed Dial too?

Ok, i will send to dev.team your request.

It is internal option ( You can restore with about:config or if you reinstall app.

Hello

Did you delete dials or app FVD Speed Dial?

Hello

Hmm, do you have backup of Firefox profile?

Hello

Can you send more details?

Hello

Added to to-do.

Thanks