The ball in the UK has been rolling for a very long time, it just hasn't happened because the UK CAA hasn’t taken the issue on board. The UKOMA group have been discussing the issue for years.
JAROPS1 was changed three years or fours years ago to include, the relevant part, ICAO 7192 D3 as the training reference for operations officers but does not require any formal training accreditation. Many airlines have defaulted to training their ops bods to the FAA license, which is a valuable certificate for sure, it just doesn’t meet the training requirements for European operations, in my opinion and why would it, the US FAR is very different system.