It saved my life a few times already. A few months ago firefox started crashing and losing all tabs on linux, and after I installed this addon I had a few crashes that I survived and had a way to restore all my tabs. A real life saver.

「素晴らしい、感謝しきれない。」
ただ以下のバックアップの読み込み方法は不明。
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バックアップを保存する
ブラウザの起動時にセッションのバックアップファイルを作成し，ダウンロードフォルダに保存します。

As one of the early adopters, I have been using this add-on from the time Quantum disabled "Sessions Manager". Over a year, this add-on has come close to the functionality of the "sessions manager" add-on by Michael Kraft. I must commend the dev, sienori on his relentless efforts through regular updates in helping the Firefox community. Kudos to the work! The only grouse I have though is that sometimes, I get the IndexDB erroe which surprisingly, automatically resolves itself in a few days. Can't blame for it. Have a good one dev! Cheers.

Frequent updates & nice, clean interface. Haven't had any problems.

O melhor. Muito completo.