I believe I've fixed the issues that were preventing some images from being saved (as reported earlier). I also fixed a few things in the Save Configuration dialog that were supposed to make it into alpha build 7077, but didn't because I incorrectly merged my pull request on GitHub.   The issue with the images that wouldn't save was that they had UserComment metadata in them (EXIF tag ID #37510). WIC (Windows Imaging Component) handles this in a way that my code wasn't coping with, so