What's New
note
Updating from an earlier version? Check the migration guide for required changes and update steps.
9.1.2
February 27, 2026. Bugfix release- Fix the issue where Gantt could disappear after reordering tasks or creating links when the
touchmode was enabled and Gantt was rendered inside Shadow DOM - Fix the
initial_scrolloption in React Gantt so the chart scrolls to the first task on initialization - Fix the issue where task assignments were not updated correctly after drag-and-drop when changes were made inside gantt.batchUpdate()
- Fix a memory leak in the task background row renderer
- Fix scale projection not working in React Gantt
- Fix missing rendering of baselines added via a datastore
- Fix the issue where Gantt stopped working after providing an invalid layout configuration
9.1.1
December 15, 2025. Bugfix releaseFixes
- Fix the error that occurred in React Gantt when the user provided
linksprop without thetasksprop - Fix the issue in React Gantt where reloaded tasks did not have link IDs in their
$sourceand$targetproperties - Fix the issue where Gantt opened the inline editor after pressing the Meta key
- Fix the
%wdate format not working correctly in CSP production environments - Fix the issue that prevented group tasks from being displayed as split tasks when they had
render="split"specified - Fix the issue with the resource grid disappearing on pressing the Tab key after editing a resource cell
Updates
- Allow configuring row and task bar height for virtual tasks
9.1
November 5, 2025. Minor updateBreaking Changes
This update brings some changes in the structure of the Gantt package and behavior of the functionality. Make sure to check the Migration notes to be on the safe side.
New Functionality
- Multi-user backend module for real-time updates is added
- Remote updates API for managing data synchronization in real time is added
- New Resource Assignments control is introduced to extend the functionality of the Resources control
- The ability to display tasks in Day/Week scale based on actual working hours instead of the fixed 24-hour period
- The ability to render split subtasks depending on the state of the parent row
Updates
- Ability to fix the size of Timeline cells is added
- Support for specifying dates in the calendar configuration is added
- A configuration object for Auto Scheduling to simplify setup is added
- Improved touch screen support for Windows devices is added
- The obsolete subscales API is removed
Fixes
- Fix the issue where exportToExcel with
visual:trueand custom data failed when the timeline was hidden - Fix the issue where exportToPDF with
additional_settings.slice_archivesetting caused incomplete display of Gantt - Prevent unscheduled tasks from being included in Excel exports
- Add support for exporting split tasks in Excel output
- Fix the incorrect display of the Resource Histogram after resizing
- Fix the issue with tasks overlapping on changing the zoom level
9.0.15
September 19, 2025. Bugfix releaseFixes
- Fix the issue where Gantt ignored the weekday configuration of
customWeekswhen set via the setWorkTime method - Improve support for Shadow DOM inside elements of Gantt
- Fix the React Gantt issue where multiple component instances caused duplicated templates
9.0.14
July 31, 2025. Bugfix releaseFixes
- Fix the script error thrown after closing a Modalbox
- Prevent creation of an empty row in the tree after re-parsing data in grouped mode
- Ensure the setWorkTime method correctly applies customWeeks in Firefox
- Fix the issue where calling setTasks with an empty dataset broke the React Gantt component
9.0.13
June 26, 2025. Bugfix releaseFixes
- Fix the issue where Gantt became unusable after creating and deleting a duplicate link
- Ensure link placeholders are displayed correctly on touch devices
- Fix the issue where a project's
end_dateis not updated when it has a single milestone child - Prevent unnecessary repaints of resource items when using a custom datastore
- Fix the issue where silently calling gantt.addLink resulted in an incorrect state of the internal datastore
- Prevent DataProcessor from adding the
!nativeeditor_statusproperty to custom router arguments - Fix incorrect handling of
tasksandlinksprops changes in the React Gantt component
9.0.12
June 19, 2025. Bugfix releaseFixes
- Ensure the contrast-white skin passes color contrast accessibility tests
- Fix the issue where dynamic loading stops working after calling gantt.clearAll()
- Prevent the Tooltip from rendering outside the Gantt container when displaying a long text
- Fix the issue where server updates were not finalized when keyboard navigation was active
- Fix the incorrect work of custom class names applied to milestone baselines
Updates
- React Gantt is now compatible with Next.js and Remix SSR frameworks without additional configuring