DHTMLX Diagram 6.1

Released on November 25, 2025

Review of the release on the blog

New functionality

• The ability to create Diagram PERT charts from Gantt data sets:
  • a new PERT mode set via the new type: "pert"
  • new types of shapes: "task" and "milestone"
  • a new group type: "project" (for grouping tasks and milestones)
• Diagram Editor. The ability to manage keyboard shortcuts (hotkeys) within the editor:
  • a new hotkeys configuration property allows modifying or switching off the existing hotkeys, as well as adding new ones
• Diagram Editor. The ability to manage shapes resizing and rotating via a set of new events: beforeItemResize, afterItemResize, itemResizeEnd, beforeItemRotate, afterItemRotate, itemRotateEnd

Updates

• DataCollection API. Updates for the PERT mode:
  • the parse() method may take as the first parameter an object with data and links arrays
  • the serialize() method may return an object with data and links arrays
• Diagram API. The ability to set the format of rendering dates in the task shapes for the PERT mode:
  • a new dateFormat parameter for the typeConfig configuration property
• Diagram/Diagram Editor API. The ability to define the connection type of the lines:
  • a new connectType parameter for the lineConfig configuration property of Diagram
  • a new connectType parameter for the lineConfig configuration property of Diagram Editor
• Export API. The pdf() and png() export functions return a promise of data export

Fixes

• Diagram Editor. The script error that occurred after hovering over a shape in the Safari browser
• Diagram Editor. The console warnings that occurred after removing items