The EU parliament had a vote to abolish DST, and it passed. They just forgot to hammer out the details, then COVID and Ukraine happened, so focus shifted.
I hope they'll pick up the ball again at some point.
The decision is made. It just takes a while for the 27 countries to get their local legislation up to speed. Many haven't decided whether they'd want to be on standard time or +1. There's some business advantage to being on the same timezone as your neighbors.
And then software manufacturers need some heads up to get their shit together.