Portable FastStone Image Viewer full changelog

Added ZIP Archive option to the Create menu, allowing you to compress selected files into a ZIP file
Added shortcut Ctrl + 0 to reset image zoom to 100%
Reintroduced Update file timestamp option in the Save dialog
Restored [File index / Total files] information beneath the Preview window, after the filename
Improved handling of long file names
Improved support for multi-monitor systems
Improved email support for Unicode file names
Fixed a reliability issue affecting batch conversion of HEIC files to other formats
Optimized the shutdown process so the application closes more quickly
Keep file selections highlighted in Details and List views even when the application is inactive
Other improvements and bug fixes

Added two larger thumbnail sizes to Settings
Added Keep Settings option to Adjust Curves and Adjust Levels
Add a Title option to Image Strip Builder
Simplified the Save dialog interface for the Scan tool
Enhanced handling of longer filenames and paths
You can now rename a file by changing only the case of its letters
Other improvements and bug fixes

Added "Search by Name" to toolbar above thumbnail browser
Added drag-and-drop functionality to viewing panel. You can drag and drop image or video files from external sources (e.g. Windows File Explorer) into image viewing area to view files directly
Added Shadows and Highlights to batch conversion tool (Advanced Options -> Adjustments)
Added Contrast and Gamma options to Scan Board
Added keyboard shortcuts to change "Auto Image Size" option. Press Ctrl+Shift+K for "Auto Fit". Press Ctrl+Shift+L for "Lock Zoom Ratio"
Added more options to "Mouse Click" in Settings window
Added "Load from File" and "Save to File" in Settings window
Added support for AVIF format
Presets in Resize tool are customizable
Moved Rename tool to a higher position to avoid covering the center of the image
Enhanced Draw Board:
Added Text with effects (curve, outline and shadow)
Added Emojis
Added preset color lists (click * button to select a preset color)
Flip/Rotate image objects

Added dark (almost black) theme. Now there are 3 themes (Bright, Gray and Dark) under Settings menu
Added support for audio formats, which can be enabled in the Video tab of Settings window
Many other minor improvements and bug fixes

Supports HEIC and WEBP formats on Windows 10
Added Lens Model to EXIF list
Improved color accuracy when loading CMYK jpeg images
Improved stability when processing corrupted or ill-intentioned images

New Detected:
BKDR_DALGAN.ZTGA-A
Backdoor.AutoIt.NANOCORE.JD
Backdoor.Linux.HAKAI.AA

Added multithreading support to the built-in batch convert tool. Now it can process multiple images simultaneously (FASTER)
Added Auto-deskew option to the scan tool
Many other minor improvements and bug fixes

Improved performance of:
Loading TIFF files
Updating changes in current folder
Activating magnifier