Active Questions
Prevent multiple range inside of itself
Answered: The Scheduler respects the value of allowEventOverlap - if you set it to false, the overlaps will be forbidden.
Scheduler - Changing area's properties: html and bubble dynamically
Answered: Unfortunately, this is not possible - the areas can’t be changed dynamically. However, if you call update(), it will repaint the whole Scheduler, including the upper-left corner and its areas. When y...
DayPilot 4.3.0 with VueJS 3
Answered: Unfortunately, I’m not able to reproduce the issue. However, I recommend using the UI Builder app to generate a Vue project with the required boilerplate. It lets you download a configured component ...
Compilation error when running unit tests
Answered: This should be fixed now in the latest sandbox build (2025.3.6593). Please let me know if the problem persists.
Add .disposed() to DayPilot.Gantt/Calendar/Navigator
Answered: It’s now available in the latest sandbox build (2025.3.6591).
CSP violation issues
Answered: The latest release (2025.3.6564) now detects the nonce used by scripts and stylesheets on the page and uses it when registering the built-in stylesheet. You shouldn’t see this error anymore. If you u...
DatePicker
Answered: The Navigator is limited to selecting a day, week, month or a custom day range (within the visible dates). At this moment we don’t plan to implement year selection and or times.
[Calendar] Clicking anywhere in the Calendar triggers a click in another cell ever since upgrading to 3.33.0 and later (4.2.0 current latest version)
Answered: This looks like a regression of a bug that was fixed in 3.32.1 (incorrect args.cell.start/end in onTimeRangeSelect/onTimeRangeSelected events when heightSpec is set to "BusinessHoursNoScroll"). It sh...
Year view Bug in Scheduler
Answered: Thanks. In such a zoomed-out view, the event width can get very small if you turn off the event boxes feature. With event boxes enabled (that’s the default setting), the event width is aligned with t...
[Calendar] Snap to current during resize
Answered: I’ve added this to the wishlist, thanks for the suggestion.
Is it possible to supply a default value for the "searchable" daypilot modal form
I would like to set an initial/default value when opening a form for a field with the type "searchable", is it possible? Matching by key from data object does not work
Max and Min dates irrespective of view port
Answered: This data isn’t calculated for internal purposes. You will need to go through the events in events.list and calculate it directly from the data.
Custom today text
Answered: I assume you mean the DayPilot.DatePicker component. In the latest sandbox build (2025.3.6533), you can now set a custom text of the “Today” button using the todayText property: const picker = new Da...
Scheduler: Cannot read properties of null (reading 'calendar')
Answered: Hi Leo, The error #2 should be fixed now. There was an issue with events located next to a disabled parent row (treePreventParentUsage: true) when you tried to move them into the disabled row and sta...
Chromium browsers: Cannot read properties of null (reading 'client')
Answered: There is a small delay before the tap-and-hold event action (moving, context menu) is activated (defined by tapAndHoldTimeout). If the event is deleted during this time, you may see this error. In th...
Display of events takes too long
Answered: By default, events are rendered progressively and there is a small debouncing delay that makes the scrolling smoother. You can either turn progressive rendering off using dynamicEventRendering or you...
An Empty Scheduler Error
Answered: datePattern is a property of DayPilot.Locale. You might want to check the locale value - it must be either a DayPilot.Locale object or a string identifier of a registered locale.
DayPilot.Scheduler selection incorrectly selects all events in box
Answered: Hi Leo, This should be fixed now in the latest sandbox build (2025.3.6530). Please let me know if the problem persists.
Missing types for DayPilot.Gantt
Answered: The missing TypeScript definitions have been added now in the latest sandbox build (2025.3.6529). The only exception is DayPilot.GanttBeforeCellRenderArgs.cell.areas - this is already available but i...