According to the airworthiness directive:
Affected ELAC: Elevator aileron computer (ELAC) ELAC B L104
Serviceable ELAC: ELAC B L103+
So it's a regression that affects decades old aircraft. Of course Airbus is now also meddling with "AI":https://www.airbus.com/en/innovation/digital-transformation/...
Obviously there no direct connection here, but it seems that destabilizing perfectly working aircraft could be the product of a culture shift.