
That's logical, but it sucks, particularly for people who are stuck on 52ESR ( Windows XP and Vista come to mind). This end-of-support is obviously to correlate with the end-of-life of Firefox 52ESR, the last version to support legacy add-ons.

Just assume you may not be able to access them anymore. I don't know if this means that legacy-only addons will no longer be visible, or no longer searchable, or whether older compatible versions of current addons will also be no longer visible, or whatever, or whether everything is going to be deleted and HTH, HAND. Mozilla has now announced these legacy addons will no longer be accessible in October. Presently TenFourFox uses Mozilla Addons as a repository for "legacy" (I prefer "classic" or "can actually do stuff" or "doesn't suck") add-ons that remain compatible with Firefox 45, of which TenFourFox is a forked descendant.
