While there might not be evidence quite yet that Apple is (finally) going to allow third-party watch face support for the Apple Watch, that doesn't mean there aren't new watch faces coming down the pipe anyway.
Apple Watch Series 6
watchOS 7 and Apple Watch Series 6 to feature sleep tracking, blood oxygen detection, new watch faces & more
At some point this year, Apple is probably going to launch a new Apple Watch, what would probably be called the Series 6, and now we know quite a bit about the unannounced smartwatch.
Kuo: Apple to shuffle suppliers of some of its products in 2020
A revered analyst believes Apple will make several changes to suppliers of its products in 2020.