4.0.0

Release date: 2025-03-09

✨ General

1. x64 Architecture 🥇

   • Overall performance boost with ultra-large file handling capability
   • Critical plugins (e.g., OfficeViewer) now require 64-bit compatibility for future updates
   • Make sure you have MS VC DLL installed: https://aka.ms/vs/17/release/vc_redist.x64.exe

2. Redesigned UI 🥇

   • New color schemes
   • Rewritten UI components
   • Differentiated visual treatments for Win10/Win11
   • Improved font compatibility
   • Draggable pre-preview loading screen
   • Unified icon set across the app

3. Bug Fixes

   • Fixed hover effect disappearance after window dragging

4. Update Module

   • Complete rewrite of update mechanism

5. Optimized Loading Workflow 🥇

   • Loading order follows top-down sequence in Settings > Type
   • Extensions match from top until failure/no match
   • Priority hierarchy: DLL plugins > Embedded types > Converter types
   • Disable hierarchy: Blacklisted extensions > Disabled types

6. user.ini Enhancements

   • Added exclude parameter per group to remove built-in types
   • Enables redirecting file handling (e.g., skip Seer's PDF preview for .ai files)
   • Excluded extensions hidden in Settings > File Types

7. System Preview Integration 🥇

   • Supports native Explorer preview (Alt+P)
   • Manage system-supported extensions via Settings > Type

8. Activation Improvements

   • Fixed network-related activation issues

9. Other

   • Integrated crash reporting system
   • Ctrl+, opens Settings (useful when tray icon is hidden)

🧩 Plugins

• Plugin Framework Overhaul: three plugin types — Converter, Embedded, and DLL
• New UI for plugin management; plugins can now be disabled instead of fully removed
• When adding a plugin with the same name, it will be automatically replaced if the new version is newer
  • OfficeViewer was renamed; please delete the old one and add the new version

JsonTreeViewer 1.0.0 (new) - DLL plugin — https://github.com/ccseer/JsonTreeViewer - Displays JSON data as a tree structure, mainly for large files; supports searching within loaded data - Based on Meta simdjson (MIT)

FontViewer → 1.2.0 - Changed from embedded to DLL plugin — please re-add for it to work - https://github.com/ccseer/FontViewer - Supports custom preview text input - Added fontviewer.ini next to the DLL: remembers preview text and font size - Includes several built-in preview text examples

OfficeViewer → 1.4.0 - Changed from embedded to DLL plugin — please re-add for it to work - https://github.com/ccseer/OfficeViewer - Background loading during preview reduces UI stuttering - Switched from 32-bit to 64-bit, offering better performance

Eps2Png → 1.1.0 - Added a parameter to fix incorrect image size

📋 Property View

• Multi-line display support
• Faster metadata calculations: file/folder counts, directory sizes, hash values
• Shift-key temporary data display (session-persistent)
• Added preview handler label (matches Settings > Type)

🖼️ Image

• Faster rendering with expanded ICC profile support
• Added MiniMap (hotkey M) 🥇
• Expand to max display size (hotkey E) 🥇
• New formats: JXL, JXR, EXR, DDS (partial code from KDE kimageformats, LGPL 2.1)
• Fixed scaling issues for certain formats
• Improved AVIF/RAW support; RAW: fixed half-resolution bug
• SVG: default size capped at 512px for performance; added transparency background pattern
• GIF: frame index display during pause (←/→ to navigate)
• Max file size increased to 150MB for full image preview
• Expanded EXIF support
• user.ini parameters:
  • accelerate: GPU acceleration toggle (default ON)
  • minimap_scale: MiniMap zoom factor [0.5–2.0]

🌐 HTML

• Performance improvements
• Fixed HiDPI scaling latency
• Reduced dark theme flicker for Markdown

📄 PDF

• Fixed history tracking issues
• Sidebar moved to the right; a user.ini option allows moving it back to the left

🎦 Multimedia

• Redesigned progress bar
• Hardware acceleration toggle in Settings > Type > Media
• R3D 32-bit support deprecated (to return as new plugin in Seer 4.1.0)
• Fixed a crash when opening certain MP4 files
• Playback speed is now remembered for the duration of the app session

📁 Folder

• Memory Optimization 🥇: 45% reduction (e.g., 920MB → 500MB for 500k-file ZIP); fixed crash on repeated previews
• macOS-style column view behavior
• Archive file icon support
• 75% faster loading (16s → 4s for large ZIP)
• Fixed accidental file opening via Alt+Arrow

📝 Text

• New language support for syntax highlighting
• Updated color themes (partial code from KDE syntax-highlighting, MIT)
• Full UTF-16/UTF-32 BE/LE compatibility 🥇
• Reduced processing time/memory usage 🥇
• Improved font rendering; user.ini font customization option