Session Manager

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由 Firefox 用户 c983ad 发表于 Nov. 16, 2017 · 永久链接

Please INSTANTLY fix FF 57 so that Sessions Manager and also Tab Mix Plus (the most valuable add-ons of all !) will work again.
It is really a shame for the FF developers to have simply "discarded" this extremely useful tool - a tremendous mistake that (for the first time ever !) makes me question FF and my use of it !