It had been in the works for a while, but now it has formally been adopted. From the article:
The regulation provides that by 2027 portable batteries incorporated into appliances should be removable and replaceable by the end-user, leaving sufficient time for operators to adapt the design of their products to this requirement.
I tried that and lost the ability to use Apple Pay. Plus I miss the old days of carrying two or three batteries and being able to hotswap them when needed.