Thanks for the feedback! Those are nice QoL changes. Actually, older versions had some of these changes already (like the damage number outlines and door sounds) but I didn't have time to re-implement them in Monogame yet. Also, money is useless right now but there will be shops in the future.
That screenshot is indeed a softlock! Enemies are not supposed to spawn in that "hallway" area between rooms. It's one of those annoying bugs that only happens .01% of the time and works the other 99.9%... I just uploaded a new build that SHOULD fix it.