Gimp Save dialog has always sucked in one way or another. For example, I open a jpg and go to save it as a PNG. I select PNG from the drop down list of availab

Gimp Save dialog has always sucked in one way or another. For example, I open a jpg and go to save it as a PNG. I select PNG from the drop down list of available types and type the filename, but unless I also add .PNG to the filename it makes a jpg again.