Re:Firefox 57.0 Released
by pseudalopex on Wednesday November 15, 2017 @06:19AM
(#15702986)
What they're describing is hybrid WebExtensions, which were only introduced earlier this year.
not all, just mine
At some point, however, the rest of the world keeps moving and, no matter how painful for everyone involved, it becomes unfeasible to wait for all add-ons to be ported (or even portable).