Release History
A detailed log of all major versions. For a full list of releases, visit the GitHub Releases page.
v6.2.0 Latest
August 16, 2025The MVP Revolution - A Monumental Refactor! This is the most extensive architectural refactoring in the project's history, transitioning the entire application to a robust and modern Model-View-Presenter (MVP) pattern and introducing a completely custom-built UI.
Highlights
- Robust MVP Architecture: Re-engineered into a Model-View-Presenter pattern for vastly improved stability and maintainability.
- Custom Fluent UI: The dependency on PyQt-Fluent-Widgets has been removed in favor of custom, lightweight "fluent-style" components.
- Three-Level Caching System: Enhanced caching architecture for improved performance.
- Reimagined Core Features: New dedicated Export Dialog, a structured Help Window, and a powerful two-panel Image List manager with Drag & Drop.
Downloads
v5.8.20
July 9, 2025The Definitive Experience Update! A major quality-of-life and rendering engine update focusing on control, quality, and stability.
Highlights
- Reactive State-Driven Architecture: Re-engineered core logic to eliminate race conditions and improve stability.
- Power-User Launcher: The launcher.sh script is now a full-fledged command-line utility.
- Unleashed Magnifier: The magnifier now renders on a dynamic canvas, can be positioned outside image boundaries, and correctly supports horizontal split view.
- Streamlined UI Interaction: Added long-press actions and scrollable image selection lists to speed up workflow.
Downloads
v4.8.9
June 5, 2025The Phoenix Rises, Powered by AI! A massive update featuring significant architectural changes, performance enhancements, and a fresh look using qfluentwidgets.
Highlights
- Revolutionary Performance: A new multi-layered architecture and advanced caching service make the application 2-3 times smoother.
- Modern UI with Fluent Widgets: A complete visual overhaul for a sleek, modern aesthetic.
- AI-Driven Development: Major portions of this update were made possible through rapid prototyping with AI agents.
- Enhanced Magnifier Tool: More controls, smoother operation, and better visual feedback.
Downloads
v3.1.2
April 15, 2025Stable Windows Release. A significant update that provided the first stable, modern Windows installer. This release also included bug fixes, design improvements, a full-fledged settings panel, and added a setting for JPEG quality.
Downloads
v2.3.1
March 31, 2025Cross-Platform Milestone. Introduced the first official Windows version alongside updates for the Flatpak build, marking a major step towards cross-platform availability for the application.
Downloads
v1.0.0
October 23, 2024The First Public Release. The initial version of Improve-ImgSLI was released, providing the core feature set including side-by-side comparison, a draggable splitter, and the first iteration of the magnifier tool.