Built-in language packs:

English, Vietnamese, French, Hungarian, Polish, Portuguese, Portuguese - Brazilian, Russian, Spanish, Chinese Simplified, Chinese Traditional

New:

• 10 new file formats supported: cur, cut, pbm, pcx, pgm, ppm, psb, wpg, xbm, xpm.
• User now can drag & drop of the viewing image from ImageGlass window to another application (hold Ctrl key).
• Add support for "Default Programs" panel in Windows 10.
• Allow user to change the program opens when edit image is selected.
• Allow user to stop looping back viewer to the first image when reaching the end of the list.
• Add new shortcuts for zooming.
• Portable mode support.
• Fully support for HiDPI scaling.
• Support scalable theme icons (SVG format).
• ImageGlass' logo is re-designed.

Changed:

• Switch to use ImageMagick library for lots of file formats support.
• Remove file name of thumbnail.
• New arrangement of Settings dialog.
• Invert mouse wheel option:
  • Spin down to view next image.
  • Spin up to view previous image.
• Add option to turn on/off Delete confirmation dialog before deleting viewing image.
• Remove the "Loading..." message and reduce the duration of the message from 5 seconds to 2 seconds.

Fixed:

• lmageGlass throws error when moving the viewing image files to another folder.
• Zoomed images getting reset to actual size while saving files to the same location as the image being loaded.
• Wrong Filename Requested Against Case-Sensitive UNC/Mapped Network Share.
• ImageGlass moves to next image when using the snap feature of WIN + LEFT/RIGHT arrow keys.
• Modal dialog is displaying not on top during "Keep window always on top".
• ImageList_OnFinishLoadingImage event subscribing leakage.
• User cannot find ImageGlass window after closing ImageGlass and disconnecting the second monitor.
• Some GIF files are playing slowly (thanks to @Meowski).
• When using Scaling Width/Height on a zoomed image, the size of image is not changed.
• Installation doesn't ask for admin password, error message.
• Some SVG files crashing when opening.
• Failed to associate with certain file types (e.g., .png) as default application.

For the complete changes see the changelog.