As others have said, there is a bug when restoring sessions, it doesn't restore all windows or tabs. As this is the only functionality of this add on I can't give more than 1 star.

Edit - The latest update has fixed the issue above and also added lazy load.

It works well,I don't know why many poeple diss it.If there is a litte weakness that 's it open multiple windows for each saved session

Do people even realize that this is not Session Manager? It's developed by a different person and never claimed to be a successor to Session Manager. Your one star ratings are unfair as this add-on is still in its early stage of development and going its own way. My original rating is three stars, but giving it five now as a countermeasure to all the bad ratings.

TSM is getting better as far as readibility goes.
Thanks for the changes, but please, add the ability for the user to set a still better readability choosing fonts parameters and colors.
Low contrast colors are a pain in the ... eyes, especially for people with "light sensibility"
;-)

使わせていただいています
黒系のテーマ時、文字色が見づらいので、背景と同化しないような文字色を選べたら良いなと思います

Do what i want from a session saver but i remove one star because it load all the page when i restor a session. It would be nice to just repopulate tabs and load only when user check on them. There's a little problem with the link in the "tab session manager" 's page under information menu too. The link to the addon point to the japanese page instead of the system language.

good extension, would be useful a crash saving feature

Thanks for your efforts. They are appreciated.
But I would like very much to see any opened user saved session automatically saved (like every minute or so), under the same title we initially gave to the session. Your latest update is not doing this.

well done! Everything works! Importing works without problems. Thanks!