- Use subsecond times in an image for better interpolation
- When interpolation is disabled, round up when exactly half way
- Allow fractional times in --photooffset
- Fix handling of --timeadd values between -1:00 and 0:00
- Read time zone from photos when available or --no-photo-tz to disable
- Warn if the times in the GPX file are not strictly increasing
- Correlate just the selected files in the GUI if only some are selected
- Store GPSDOP tag in image when available and exact match
- Display an image by double-clicking it in the GUI
- Increase the width of the default GUI window
- Support drag-and-drop for GPX files and images in the GUI
- Update the German & French translation
- Clean up memory handling and fix some memory leaks in the GUI