🟣 General changes

• Upgraded Magick.NET to version 13.0.1.
• Improved ImageGlass startup time and latency by enabling ReadyToRun compilation.
• Showed Color space and Color profile info on the title bar.
• Added basic support for animated APNG format (#396).
• Fixed a bug where ImageGlass cannot load image with CMYK color space. Error message: "Operation is not valid due to the state of the object".
• Fixed a bug that caused memory leak during loading image.
• Skipped file existence check while loading image files into the list (#585).
• Changed the prefix for passing app setting as command-line from - to /. Example: ImageGlass.exe /EnableFrameless=true.

🟣 Theme component

• Added support for auto-switching theme according to system's dark/light mode (#434).
  • Splits the setting Theme into DarkTheme and LightTheme.
  • Loads LightTheme if system light mode is on, otherwise ImageGlass uses DarkTheme.
• Removed accent color in theme config.
• Added new icons for toolbar: Play, Pause, Export.

🟣 Viewer component

• Improved frame animation (GIF, WEBP, ...)
  • Adds support for hardware acceleration.
  • Supports playing, pausing or viewing a single frame of image.
  • Adds basic support for playing animation for all animated formats using MagickNET, such as APNG.
• Made the navigation arrow buttons clickable on whole left and right areas (#1472).

🟣 Thumbnail bar component

• Shows Color space and Color profile info on the thumbnail's tooltip.

🟣 Image Booster component

• Reduced memory usage when loading non-transparent image.
• Enabled basic support for all animated formats using MagickNET.
• Cached metadata to improve loading image.

🟣 Features

• Added support for updating the viewing image folder in real time:
  • Updates the viewing image, thumbnail when it's changed by third-party app.
  • Updates the thumbnail bar when image file is deleted, added, renamed.
  • Added an option to disable it by setting: EnableFileWatcher.
• Added Edit image with external editor:
  • Added setting EditApps, example:

    // in igconfig.json
    "EditApps": {
      ".png": {
        "AppName": "Paint.NET",
        "Executable": "C:\\paint.net\\paintdotnet.exe",
        "Argument": "<file>"
      }
    },

  • Added options what to do after the external editor is launch AfterEditingAction:
    • Nothing: Do nothing (default).
    • Minimize: Minimize ImageGlass window.
    • Close: Close ImageGlass app.
• Added feature: Export image frames
  • Moves the function to igcmd.exe with command export-frames.
  • Shows exporting progress and status.
  • Added a button to cancel the on-going export progress.
  • Added a button to open output folder after the export is done.
• Added feature: Rotate image (only for non-animated format).
• Added image transformation features:
  • Supports image rotation.
  • Improves performance of image flipping / ratation by using hardware acceleration.
  • Shows asterisk * on title bar next to the image name to indicate there is unsaved change.
  • Displays "Save..." / "Save as..." button on toolbar if the image is changed.
• Adds native support for animated Webp format (#1466) using libwebp.dll v1.3.0:
  • Supports hardware acceleration.
  • Fixed: Quality of animated Webp is reduced (#1526).
  • Supports saving image as Webp, including animated format (#1477).
• Supports for saving TIFF, GIF as multiple frames.
• Improves ImageGlass Slideshow view:
  • Removed support for multiple slideshow views
  • Added support for changing slideshow image list when user changes it in the main view.
  • Made slideshow view togglable.
  • Added support for new window modes in slideshow view.

🟢 New window modes

• Frameless mode
  • The window corners are rounded by default.
  • Hold SHIFT and drag to move the window.
• Window fit mode
  • Disables Maximize button of the window.
  • Improve performance when user zooms the image.
  • Added support for all zoom modes in Window mode.
• Window modes combination for the main view and slideshow view:

  Mode	Full screen	Frameless	Window fit
  Full screen	✅	❌	❌
  Frameless	❌	✅	✅
  Window fit	❌	✅	✅

🟢 Layout customization

• Added support for layout customization using setting Layout (#318) for:
  • Toolbar with setting Toolbar,
  • Thumbnail bar with setting Gallery,
  • Contextual toolbar with setting ToolbarContext.
• Supports Toolbar position: Top, Bottom.
• Supports Thumbnail bar position: Top, Bottom, Left, Right.
• Allows to change control's order if they are in the same layout position.
• Example:
  • Default layout:

    // in igconfig.json
    {
      // default layout
      "Layout": {
        "Toolbar": "Top", // Toolbar is at top
        "Gallery": "Bottom;0", // thumbnail bar is at bottom
        "ToolbarContext": "Bottom;1", // contextual toolbar is at bottom, above thumbnail bar
      },
    }

  • Layout: toolbar and thumbnail bar at top, contextual toolbar at bottom

    // in igconfig.json
    {
      "Layout": {
        "Toolbar": "Top;1", // Toolbar is at top, below thumbnail bar
        "Gallery": "Top;0", // thumbnail bar is at top, above the toolbar
        "ToolbarContext": "Bottom", // contextual toolbar is at bottom
      }
    }

🟢 New Color picker tool

• Shows cursor location on the viewing image.
• Clicks to pick the pixel color.
• Adds support for color formats: RGB, HEX, CMYK, HSL, HSV.
• Adds buttons to copy color code.
• Adds Settings window with options to show alpha value for each color format.

🟢 New Page navigation tool

• Supports for viewing separate image frame.
  • Non-animated formats (TIFF, ICO,...).
  • Animated formats (GIF, WEBP, APNG,...).
• Respects the size and orientation of the image frame (#1077).
• Exports all frames.

🟢 External tools support

• You can download external tools at https://imageglass.org/tools.
• Created https://github.com/ImageGlass/ImageGlass.Tools library for other 3rd-party apps to communicate with ImageGlass via IPC message events.
• Sends events to the external tools using ImageGlassEvents.
• Sends EnableWindowTopMost as a command-line argument to request the external tool window to be top most.
• Uses ToolSettings setting to store settings of the built-in tools (Crop tool, Color picker) instead of Tools.
• Added support for adding external tools to ImageGlass Tools menu with setting Tools and assigning the tool's hotkeys with setting MenuHotkeys.
• Shows "Tool not found" dialog to allow user to select executable path of the tool.
• For more details, please refer to https://github.com/ImageGlass/ImageGlass.Tools.