6.5 is broke compared to 6.1

#1 At the start screen: No matter what you click it only opens the same file.

#2 Save doesn't work... No file is saved

#3 Opening other files from File -> Open also doesn't work...

Oh no. Do those problems occur when you open from exe or pxc file (or both)?

Wait no nevermind, I've found the source of those problems. 

Sorry for the inconvenience it seem that file_copy function doesn't automatically replace file when name is the same. It should be fix in the next patch soon. 

Thank for reporting.