What's new in 0.5.14?
A new output type to be used with the "lensgrid"-style charts that will help you to align your chart so that it is parallel with the camera sensor.
MTF Mapper also now recognizes many more raw file types, including Fujifilm, Panasonic, Olympus, and Ricoh/Pentax.
What's new in 0.5.7?
The GUI has been updated to QT5, and now works correctly under both Windows 10 and Linux/Wine. The included dcraw.exe also compiled with better optimizations, so overall operation using the GUI is significantly faster.