Second, in that very github issue that you linked, look at this comment: https://github.com/mozilla-mobile/fenix/issues/574#issuecomm.... Also, transition from Fennec to Fenix won't happen until feature parity. The MVP is just that, the MVP.
Finally, GeckoView does not use the WebView interface, specifically because we want to build richer experiences than the WebView interface offers.
Thank you for the reply. It's really good news to hear that full extension capabilities will continue to be supported!
I was worried by the very comment you linked, as "users will get the experience they expect" sounds carefully crafted to not say anything at all.
Second, in that very github issue that you linked, look at this comment: https://github.com/mozilla-mobile/fenix/issues/574#issuecomm.... Also, transition from Fennec to Fenix won't happen until feature parity. The MVP is just that, the MVP.
Finally, GeckoView does not use the WebView interface, specifically because we want to build richer experiences than the WebView interface offers.