To try the thousands of add-ons available here, download Mozilla Firefox, a fast, free way to surf the Web!
CloseWelcome to Firefox Add-ons.
Choose from thousands of extra features and styles to make Firefox your own.
CloseReview for Session Manager by Terrancez
Rated 5 out of 5 stars
Just lost huge amount of research. The new tab groups is a powerful tool but worse than worthless if its not stable. Get pop-up that session is having some problem saving. When I closed FF, there remained a full page pop-up with JSON all over it. Sorry should have copied/screenshot it. Have been using this for years, hope you can get it stable but I can't take risk trusting it anymore. -Just managed to restore from deleted sessions folder.
This review is for a previous version of the add-on (0.8.1.3.1-signed).To create your own collections, you must have a Mozilla Add-ons account.