Tuesday, May 12, 2026

GanttProject 3.4 Beta IV

 GanttProject 3.4 Beta IV is now ready for testing.

This update introduces several workflow refinements and stability fixes in addition to the major features introduced in previous Beta versions — such as the new UI facelift, custom task filters, and auto-resume functionality.

New in Beta IV

Modernized Import/Export
  • You can now open exported files directly from the Export dialog immediately after saving.
  • The Import dialog now supports selecting and importing multiple .gan files at once.
  • Both the Import and Export dialogs have received a UI facelift.
Enhanced Project Insights

We’ve added a new built-in, read-only property, "Is Critical," which identifies if a task is currently on the project's critical path.
Performance and Stability
We have resolved issues that affected stability on computers using non-English locales.

Sunday, February 15, 2026

GanttProject 3.4 Beta Release

GanttProject 3.4 Beta is ready for testing, featuring enhanced customization, a modern UI facelift, and several long-awaited workflow improvements.

Enhanced Customization

  • Custom Filters: New task filters help you eliminate clutter and focus on what matters.

  • Calculated Columns: Expressions now support the use of custom columns in calculations.

  • Visual Charting: Custom columns can now be displayed directly alongside task bars on the Gantt chart.

User Interface & Usability

  • Modern Look: A refreshed UI and better compatibility with high-resolution screens.

  • Clickable Links: Web links in the task table are now active, allowing external resources to be accessed instantly.

Installation & Updates

  • Update Flexibility: Users can now install updates via ZIP files as an alternative to the standard Update Channel.

  • Linux Support: A new AppImage package is available for easier installation on Linux distributions.

The "Finally!" Feature

  • Auto-Resume: When GanttProject 3.4 starts, it can automatically reopen your last project. We know you’ve been waiting for this one for a long time! :)