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Is there a use case of Session Manager that about:profiles doesn’t cover?

• jameslk 9y ago
  It creates automatic snapshots of your sessions. If your session gets wiped or corrupted, you can fall back to one of the previous sessions. Or if you just want to go back to the tabs you had opened at a certain point in time, that's possible too. All of this is important for those of us who keep lots of tabs open. I personally treat my open tabs more like chronologically organized bookmarks and usually have over a thousand open.