Here's the list of changes in the latest release:
NEW: Now supported Pentagon 256k memory extention model
New: Added ability of disabling TR-DOS
New: You can use register names for input it values
New: Added emulation of AY registers
BugFix: TR-DOS Options MenuItem bug
BugFix: Screen Panel on diferent window size bug
BugFix: TR-DOS index pulse incorrect (Quick Commander bug)