🟣 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.

🟣 General changes

• Showed version info of ImageGlass and Magick.NET with the error message when the image is invalid.
• Added support for assigning multiple hotkeys for Menu in igconfig.json (#1400).
• Upgraded Magick.NET to version 12.2.2.
• Improved high DPI scaling for:
  • Viewer component:
    • Scale navigation buttons.
    • Scale in-app message.
    • Scale checkerboard tile.
  • Toolbar component: Scale ellipsis button.
  • Thumbnail bar.
  • Menu component.

🟣 Theme component

• Added support for dark/light title bar in Windows 10, and Mica title bar for Windows 11, according to the IsDarkMode property in theme pack config file igtheme.json (#595, #630).
• Added support for using system accent color.
• Added more theme-aware ability to more controls: Combobox, Numeric box, Check box, Label, Link label, Button, Toolbar, Thumbnail bar, Menu, ...
• Added support for Windows 11 UI (requires Windows 11 22H2) via setting WindowBackdrop:
  • Transparent backdrop style Acrylic, Mica, MicaAlt for the main and slideshow window (#548, #591, #937).
  • Tool window and other dialog windows show MicaAlt by default.
  • Supports alpha value for the background color of the BackgroundColor, SlideshowBackgroundColor, and theme pack (Toolbar, Thumbnail bar).
• Improved menu component:
  • Correctly shows the checkable type of menus: Check box for multiple choices, Radio button for single choice
  • Updates arrow icon.
• Reorganized sections in igtheme.json
  • Added Colors section to contain all theme colors.
  • Settings section is for all other settings.
• Added support for using system accent color in Colors section, by the syntax: accent[:alpha = 255]
  • accent is required.
  • alpha is optional, allows you to change the alpha value of the system accent color.
  • Example: accent:180
• Shows a circle as the default toolbar icon (instead of showing blank) if the icon in igtheme.json is missing or invalid.
• Added support for auto-updating theme colors when system accent color is changed.
• Added support for auto-changing SVG icon color for dark/light mode.

🟣 Viewer component

• Added fading transition when switching images, configurable by the setting EnableImageTransition.
• Added support for smooth panning by default without Image Focus mode.
• Uses accent color for heading text message, navigation buttons, selection.
• Added support for customizing the interpolation mode corresponding to the image's zoom factor: ImageInterpolationScaleDown and ImageInterpolationScaleUp (#1088, #1092). Interpolation values:
  • NearestNeighbor
  • Linear
  • Cubic
  • SampleLinear
  • Antisotropic
  • HighQualityBicubic

🟣 Thumbnail bar component

• Improved the speed of generating thumbnails by using cache from Windows File Explorer.
• Added setting ThumbnailCacheSizeInMb to change the maximum size of thumbnail cache on hard disk. The default setting is 300 MB.
• Aligned the thumbnails center horizontally by default (#1049).
• Added support for auto-scaling the thumbnail size when DPI is changed.
• Added support for auto-adjusting the thumbnail size when scroll bar is visible.
• Fixed: thumbnail is not scaled properly when enabling showing filename.
• Fixed: thumbnail bar size is not correct when the window size is smaller than the minimum size of the thumbnail bar.
• Fixed: image height information in tooltip is not correct.

🟣 Image Booster component

• Added support for GIFV image format.
• Added setting ShowImagePreview to display the image preview while the image file is being loaded, using embedded image, and sync the interpolation mode (#682).
• Added settings: EmbeddedThumbnailMinWidth and EmbeddedThumbnailMinHeight to set minimum size of the embedded thumbnail to use for displaying (#1290, #1293).
• Added setting ImageBoosterCacheMaxDimension to ignore caching large image dimension (#495).
• Added setting ImageBoosterCacheMaxFileSizeInMb to ignore caching large file size (#495).
• Added support for opening image bigger than 16384px by scaling down it to 16384px (#272).
• Fixed an issue that ImageGlass cannot load some TIF files due to invalid tags: 34022 (ColorTable), 34025 (ImageColorValue), 34026 (BackgroundColorValue) (#1181, #1454).

🟣 Settings component:

• Added settings EnableCopyMultipleFiles and EnableCutMultipleFiles to enable/disable copy/cut multiple files (#917).
• Added Tools section dedicated for managing tool settings.

🟣 Features

• Removed Image Focus mode, all of features of Image Focus mode are interated into the Viewer component.
• In the menu Image > Panning:
  • Added menus: Pan image left/right/up/down.
  • Added support for smooth panning when using menu and hotkey.
  • Added menus: Pan to left/right/top/bottom side (#974).
• Added support for smooth zooming when using menu (and hotkey).
• Added File > Unload image (U): to unload the viewing image and release memory resource.
• Menu Help > Set / Unset default viewer:
  • Reverted back to use ImageGlass as key name in registry.
  • igcmd.exe: Added new arguments to optionally show result dialog.
    • --ui: show all result dialogs.
    • --hide-admin-error-ui: hide the error dialog when admin is required to execute the command.
• Full screen mode: Fixed an issue that window icon is missing when exiting Full screen mode.

🟢 New Slideshow mode:

• Moves slideshow to a separate process with only clean viewer (#1336).
• Supports open multiple slideshows.
• Supports run ImageGlass in slideshow mode (#740, #885).
• Prevent OS from entering sleep mode (#718).
• Supports sub-second slideshow interval (#1155).
• Uses the correct : symbol for countdown text (#1226).
• Auto-hides cursor after 3 seconds.
• Adds slideshow functions:
  • Play/pause.
  • Toggle full screen / windowed mode (#1394).
  • Toggle countdown.
  • Toggle checkerboard background.
  • Change slideshow background color.
  • Navigate next/previous or first/last image.
  • Change zoom modes and view actual size.
  • Change image loading order.
  • Show "Open with..." dialog for the viewing image in slideshow.
  • Open the viewing image location.
  • Copy the viewing image path.
  • Exit slideshow.

🟢 New Crop tool:

• New crop UI, follows system accent color, and shows size of the selection (#1230).
• Adds support for holding Shift to select a square (#903).
• Adds support for aspect ratio (#755, #1057, #1145).
• Actions:
  • Reset selection
  • Save (Ctrl+S)
  • Save as (Ctrl+Shift+S)
  • Crop image
  • Copy the selection to clipboard (Ctrl+C)
• Crop settings:
  • Load, save selected aspect ratio settings.
  • Close crop tool after crop is completed (#755-3).
  • Set default selection (#755-1, #1311, #1410)
    • Use the last selection
    • 0% -> 100% (select all)
    • User-defined area
  • Option to center the selection.

🟣 General changes

• Removed support for custom codec.
• Supports for seamless process privilege elevation:
  • No longer requires igtask.exe to run admin commands
  • All functions that require admin permission will trigger the "User Account Control" dialog automatically. For example:
    • Set as desktop background
    • Set as Lock screen image (Windows 10+)
    • Set / unset default photo viewer (#832, #1085, #1360).
• Introduces new classes for user actions that being used widely in the app:
  • SingleAction: contains a single action that can be chained. For example:
    • Click to enter Full screen mode and then set zoom to 200%.
    • See more details in the "Toolbar component" section.
  • ToggleAction: contains ToggleOn and ToggleOff action. Each of them is a SingleAction. ToggleOn and ToggleOff are taken turn to call to switch on or off a feature. For example:
    • First double click to enter Full screen mode.
    • If double click again, exit Full screen mode.
    • See more details in the "ImageGlass.Views" section.
• Added theme-aware dialogs for:
  • Save / Save as
  • Rename
  • Go to
  • Custom zoom
  • Move to Recycle bin / Delete
  • ...
  • All dialogs can be closed with ESC (#1324).
• Upgraded Magick.NET to version 12.1.0.

🟣 New viewer component: ImageGlass.Views

• ImageGlass.Views is based on D2Phap.DXControl which supports both Direct2D and GDI+ graphics thanks to WicNet library.
• Replaced ImageGlass.PhotoBox with ImageGlass.Views, supports Direct2D 1.3 features.
• Supports GPU rendering for transparent formats: PNG,...
• Supports image interpolation modes:
  • NearestNeighbor (default when zoom > 100)
  • Linear (default when zoom <= 100)
  • Cubic
  • SampleLinear
  • Antisotropic
  • HighQualityBicubic
• Improves performance when the checkerboard is on.
• Supports heading for text in-app message.
• Reduces resource usage.
• Image focus mode is now only for panning using keyboard.
• Supports smooth zooming without enabling Image focus mode.
• Zooming with keyboard/ mouse is centered by cursor position (#381).

Added support for custom mouse actions:

Mouse click actions (#381, #648, #748, #909, #991, #1337): (see full example at https://github.com/d2phap/ImageGlass/issues/991#issuecomment-1238130837)

• Setting name: MouseClickActions.
• Supports events:
  • LeftClick
  • LeftDoubleClick
  • RightClick
  • RightDoubleClick
  • XButton1Click
  • XButton1DoubleClick
  • XButton2Click
  • XButton2DoubleClick
  • WheelClick
  • WheelDoubleClick
• Action for mouse click is ToggleAction which means you can configure on and off event separately. Each on and off action can be chained as well.
• Example:

  "MouseClickActions": {
    "LeftDoubleClick": {
      // first left click to enable full screen mode and set zoom factor to 50%
      "ToggleOn": {
        "Executable": "IG_ToggleFullScreen",
        "Argument": true,
        "NextAction": {
          "Executable": "IG_SetZoom",
          "Argument": 0.5,
        }
      },
      // second left click to exit full screen mode
      "ToggleOff": {
        "Executable": "IG_ToggleFullScreen",
        "Argument": false
      }
    }
  },
  
  

Mouse wheel actions:

• Setting name: MouseWheelActions.
• Supports events:
  • Scroll
  • PressCtrlAndScroll
  • PressShiftAndScroll
  • PressAltAndScroll
• Actions for mouse wheel are pre-defined:
  • DoNothing
  • Zoom
  • PanVertically
  • PanHorizontally
  • BrowseImages
• Example:

  "MouseWheelActions": {
    "PressCtrlAndScroll": "BrowseImages",
    "PressShiftAndScroll": "PanHorizontally",
  },
  

🟣 Thumbnails bar component

• Significantly improved the loading speed when opening big folder.
• Shows more image information on tooltip:
  • Image name and dimension
  • Full file path
  • File size
  • Date modified
  • Frames count (if the viewing image contains more than 1 frame)
  • Rating (if image contains rating)
• Use the Magick.NET library to read image metadata to fix the issue that the image dimension shows (0 x 0) in some image formats.

🟣 Toolbar component

• OnClick is a SingleAction. So you can set a chain of actions to run.
• Added support for custom icon path for field Image in ToolbarItems in igconfig.json. The path can be absolute or relative.
• For example for the above changes:

  "ToolbarItems": [
    {
      "Type": "Button",
      "Id": "btn_Flip",
      "Text": "Flip and save the image, then exit ImageGlass",
      "DisplayStyle": "Image",
      "Alignment": "Right",
      "Image": "%systemroot%\\system32\\my_custom_icon.svg",
      "OnClick": {
        "Executable": "MnuFlipHorizontal",
        "Argument": "",
        "NextAction": {
          "Executable": "IG_Save",
          "NextAction": {
            "Executable": "IG_Exit",
          }
        }
      }
    }
  ]
  

🟣 Image Booster component

• Auto-detects and uses current monitor color profile (#781, #693).

🟣 New features

• Rename
• Delete
• Move to Recycle bin
• Delete / Recycle bin confirmation
  • Option to update the warning setting in the confirmation dialog.
• Go to file
• Custom zoom
• Flip horizontal / vertical
• Set as desktop background
• Set as Lock screen image (Windows 10+)
• Share (Windows 10+)
• View image channels
• Save
• Save as
  • Auto-process image color, rotation,...
  • Supports reading multi-frame format, saving to GIF (#1058)
  • Supports custom quality for JPEG.
• Save / Save as override confirmation (#1074)
  • Option to update the override warning setting in the confirmation dialog.
• Copy & paste image with transparency support (#1305).
• Support Clipboard image (#584)
  • Flip horizontal / vertical
  • Print
  • Save as
  • Set as Desktop background
  • Set as Lock screen image
  • Share
  • Open with
  • Re-copy
• Full screen mode (#1403):
  • Toggle Full screen mode.
  • Options to hide tool bar and thumbnails.
  • Restore window size, position and state correctly when restoring a maximized window from Full screen mode (#1015).
  • Save and restore for next run.
  • Fixed: Screen flashes when entering full screen mode (#905)