@igorlogiusThat extension is impressive but not fit for this purpose: when I closed the topmost FF window that now had all my pinned tabs, they were all gone. Forever.
I've read lots of posts in this thread, and it is a no-brainer.Since -- apparently the option to lock/protect tabs (including those that were pinned) has been nuked for no apparent reason, this might be the next best thing. In fact we need both: resp...