Most extensions will be lost after Firefox 56
FF 57 will be out at the end of this year. Mozilla is not listening to its users, but since FF is open-source, some folks are working to make sure all is not lost. Others are jumping ship.
There are various solutions: switching to SeaMonkey, Firefox 52ESR, or living without extensions. Watch that thread for details. Some of you might not be aware of extensions, and you're the lucky ones. I have 30. Rather than repeating the big change here, I suggest you see:
http://forums.mozillazine.org/viewto...?f=7&t=3027638
Can we get this stickied, since users have already discussing solutions for several months?
Win7 Ult/ 3.40 GHZ Intel Core i5-3570K /ASRock mobo Z77 Pro4 /SSD/ EUFI MS 3400 MHZ/8 GB RAM; Win 7 Ult/Verizon FIOS wired network
Waterfox Classic/Chrome / Firefox 115esr
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"The medium is the message." - Marshall McLuhan