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! :)