In summary, the EU transport committee has voted to ban carryon fees on all flights originating within the EU. It now has to go to vote but their is no timetable for that yet.
E.U. Wants to Ban All Fees for Carry-on Bags https://share.google/2hN8aBPPB86y0p9iQ
So besides higher ticket prices to make up the lost revenue I have to wonder what other creative fees the discount airlines will come up with. I'm also betting the airlines will be policing the maximum size and weight limits even tighter now, boarding will be slower, and complaints will continue with people still trying to cheat the rules.