1.10
new: xml2info.exe support added
new: mame version detected and displayed in the status bar
1.0
new: custom options menu added
new: columns preferences menu added
new: create mame's configuration file button added
new: right click menu's expading options added
new: last file update/filesize/played filters added
new: last file update/filesize/played columns added
bug: listinfo file parsing improved
bug: minor bugfixes
0.90
new: custom viewer added
new: key conflicts are detected
new: progress bar style changed
new: columns dragging now supported
new: more browsing buttons enabled
new: single rom configuration available
new: variable icons sizes option added
new: right click default action option added
new: rom sets handling tools added
new: popup menu appears on right click
new: background color can be changed
new: viewer default image option added
new: inverse sorting enabled
new: help menu added
bug: win2000/XP compatibility improved
bug: main window sizes are kept constant
bug: scanlines option fixed
bug: backup directory is properly saved
bug: icons are properly displayed
bug: background is always refreshed
0.76b
new: fonts selection enabled
new: keys can be redefined
new: list control preferences added
new: icons support added
new: list background can be changed
new: roms text colors can be modified
new: list aspect preferences added
new: file menu deleted
new: file menu options moved into list menu
new: mame win32 options added and enabled
new: mame win32 is now supported
new: viewer can be positioned ad the left side
new: viewer can become a child window
new: keep viewer sizes option added
new: viewer can be kept arranged
new: viewer preferences added
new: preferences menu added
new: consoles joystick support added
new: path edit controls autoscroll
new: faster list viewing/filtering/quitting
new: each column can be sorted
new: manufacturer filter's list is sorted
new: screen type and orientation filters added
new: rom status filters splitted 
new: faster list creation
bug: mamemix.cfg is always saved in the correct directory
bug: page up-down keys can reach the top-bottom of the list
bug: viewer is updated when its dir is changed
bug: viewer works correctly (pngdib library updated)
bug: mame compatibility enhanced
bug: tab key works properly in dialog boxes
0.61
new: snapshot window has the same main window's z order
new: unused items autodisable
new: progress bar added
bug: rsxnt.dll library isn't deeded anymore
bug: search routine fully rewritten
bug: mame filename can be specified
bug: empty lists can be handled also at startup
bug: error routines rewritten
bug: windows are updated and focused after mame execution
bug: wait after running option now works
bug: dir names 8 characters longer are now supported (sorry for this one!)
0.60b
new: video filters added
new: windows sizes and positions can be saved
new: manufacturer filters added
new: mouse right-click reaches original from clone
new: manufacturer column added
new: sorted lists routines rewritten
new: faster sorting algorithm
new: snapshot viewer enabled
new: browsing button added
new: status window added
new: year filters added
new: year column added
new: about window less boring
new: rom name filters added
new: rom status filters added
new: creating list message added
new: filters menu added
bug: empty lists can be handled
bug: lists are fully deallocated
bug: search function corrected
0.53b
new: page up, page down, home, end keys enabled
new: menu separators added
bug: rompath is now accepted
bug: caret does not disappear anymore
0.52b