We have Boom building a supersonic airliner.
https://boomsupersonic.com/
There is JetZero with a 767-sized blended wing airliner.
https://www.jetzero.aero/
Add Radia, making the world's largest aircraft
https://radia.com/windrunner
And any number of new companies building electric-powered air taxis.
All due to enter service before very long.
Meanwhile Boeing have an X-66
https://boeing.mediaroom.com/2023-08...A-Modification and Airbus don't seem to be going beyond wind-tunnel experiments