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Infinite scrolling issue, Chrome on Mac

Answered: Hi Leo, There is a problem with the overlay (non-persistent) scrollbar: it is not possible to detect its actual height. So the Scheduler uses a guess value (which is now 14 pixels). If it doesn’t mat...

Critical regression: Infinite scrolling jumps

Answered: The overlay scrollbar fallback is applied only to selected browsers (Firefox everywhere and Webkit on Mac). In Webkit-based browsers you can force a fixed scrollbar (as described here) to solve this ...

Daypilot Month asp.net TimeRangeRightClickHandling and SelectedHandling co-existence?

Hi, OK, trying to incorporate both TimeRangeRightClickHandling (ContextMenu) and TimeRangeSelectedHandling (JavaScript)…hoping to have both a “click to enter…” type of function and still be able to u...

onBeforeGridLineRender on DayPilot.Gantt

Hi Dan, Many thanks for the latest update/release! Would it be possible to also have access to onBeforeGridLineRender in DayPilot.Gantt? That would help make the Gantt look & behave more like our Sch...

Cannot set properties of null (setting 'innerHTML') on disposed instance

Answered: This should be fixed now in the latest sandbox build (2026.2.6904).

DayPilot.Calendar.getCoords() sometimes contains wrong information

Answered: The getCoords() method returns the position in the grid. If you are not in the grid anymore, it returns the last position. So when the mouse is over all-day events, it doesn’t have a useful value.

args.alt

Answered: Hi Leo, This should be fixed now in the latest sandbox build (2026.2.6905).

DayPilot.Scheduler.onEventMoved - no way to check for original even dates

Answered: Hi Leo, For this purpose, there are two events for each action, e.g. onEventMove and onEventMoved. In onEventMove, the args.e object is the original DayPilot.Event object and the new position is avai...

[Calendar] onEventResize returns incorrect args.newStart with heightSpec="BusinessHoursNoScroll" since v4.2.1

Answered: Thanks for reporting the issue. It should be fixed now in the latest sandbox build (2026.2.815).

Scheduler "Manual" scale with empty/undefined timeline error

Answered: This was an unintended side effect and the behavior is now reverted in the latest release (2026.2.6899). Please let me know if the problem persists.
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