This addresses a couple issues regarding save files not reliably saving while in editor mode. The new level is now also included but you have to import it yourself at the moment.
Click import and type TheCastle_DSMap01
Download is here :
https://drive.google.com/file/d/1RtxJM5JVWTU8mzj-CK3YiLaXN1sNekbI/view?usp=sharing