Continuing the discussion from Footman Promotion and Medical Attention Bugs:
Note: This report utilizes the save game referenced in the linked topic above.
There appears to be an entity alignment issue with the new Tunnel Door. It does not line up correctly with tunnels, in either ghost or placed form. See screenshots below, and the save game included in the linked topic for samples.
Alpha 14, Dev 2795, x64
Pending Placement Form: