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Works with firefox android version 57 which is currently(2017.11.15) beta version available in google play (2017.11.15). To save options in android, you have to edit the option, press save and then 'stop' the add-on restart the add-on by pressing 'use'.

It has becoming my liffe savior at work/home/studies!!

<3 I just fell in love with this Add-on!! <3

ChromeからFirefoxへの移行でChromeのFreshStartと同機能のものを探していてこちらを利用させて頂いています。アドオンとしては特に問題も無く素晴らしいです。
ただ、機能的にChromeのFreshStartのような細かい機能が無いので以下の機能の追加をお願いしたいです。
- 手動で保存する際に、保存するページやウィンドウの選択/非選択機能
- 保存済のセッションの編集機能
　・保存済みセッションから不要なページやウィンドウを選択して削除
　・保存済みのセッションに現在開いているページから追加したいページやウィンドウを選択し追加

tree style tabに対応サンキュー

Simplicity and effectiveness. A little problem with the fonts, I think the encoding, mine are not aliased also for the options page. A great extension nevertheless.

I have on desktop and love it so I'm trying it on android.

It does its job.THANK YOU!

Good job, It works very really well.Thank you!!

request: ability to import Session Manager's data, please ;)

bug: i have turned off "save session when window close", but after restart, there is still a "auto saved - windows was closed" session.

1.3.2, firefox 56.

As a very happy long-term Session Manager user, I salute your efforts here! Simple and effective. This should help with our Session Manager withdrawal symptoms.

A few thoughts for further refinement:
1) Logo barely visible on gray ribbon. A multi-color icon would help visibility for diverse color needs. Look too at Firefox's closed window/tab icon; white but outlined in black, thus visible on any background really
2) A third save scheme (daily) would be useful, perhaps at first use each day, i.e. 12:01am or whenever Firefox is next open
3) The list of saved sessions might be easier to digest as single line entries; you might need to abbreviate some data, such as save type (Regular (or Interval), Daily, Closed, and User)

Thanks for launching this!

A minimal session manager which does exactly what it advertises. A lifesaver when the Firefox built-in session restore forgets a window or three.

The two (Edit: now only one!) small downsides in my opinion are a) the mentioned missing autosave on exit, or autosaving every 30s but only keeping the newest one, and b) that upon session restore it reloads all tabs - unlike the built-in session restore which loads tabs as inactive or unloaded.

Great Add-on it should be a default option

I wish I had thought of using something like this years ago. Works great on the latest Beta of FF

Finally working session manager on FF57+, THANK YOU!

Very good!

thank you so much