Any news on the powerplant-side? Which is one if not the most critical part of the plane for commercial success. Didn't GE dropped the ball a while ago? I still

Any news on the powerplant-side? Which is one if not the most critical part of the plane for commercial success. Didn't GE dropped the ball a while ago? I still see them mentioned in their website https://boomsupersonic.com/symphony https://boomsupersonic.com/symphony