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.
Thank you for pointing those out, I had no idea fairphone had expanded into headphones!
They’re now on my radar for my next pair, but I’m going to run my current headphones for as long as possible before making a new purchase (5 years with my wireless in-ear buds and still going strong!)