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Comment by rhdunn

1 day ago

Firefox has had profiles for a long time (via about:profiles and a command-line argument). Unfortunately, the new profiles are not compatible with the old ones and cannot be migrated.

Firefox added a layer on top to allow to show the list of profiles in the UI.

I recently started a new job and built 3 profiles on Windows, then switched to Ubuntu. The migration of my profiles was painful because of that new layer: migration of each profile was working fine, but didn't see each other.

Thankfully Claude was helpful to debug and fix the settings. I had to edit SQLite databases.