Fixed:
1. Short cut for undo was out of work sometimes.
2. Error: Unable to load SVG data when loading some bvg files.
3. Bugs when loading jpeg files containing exif rotation flag
 
Added:
1. Edit > Optimize > Arrangement: Arrange select element to the right and top, apply on all elements when not selecting.
 
Changed:
1. Changed power of camera calibration task to 18%
2. Changed auto update checking, only searching for same channel (beta or latest), add button to switch between channels.