Error init_runtime_dom_esm_bundler is not defined after update on May 20, 2026
Answered: Unfortunately, I’m not able to reproduce the error. There was no Vue-related change in the latest release (i.e. between 5.6.0 and 5.7.0). I recommend checking it with a blank project generated using ...
Issue with Cell Border Selection and Event Handling
See the attached image for reference. Currently, when selecting a cell, it is possible to select the cell border and trigger an event. If this behavior is unintended, it should be treated as a bug. I...
Highlight Today and Shorten Weekday Names in DayPilot Lite Monthly Calendar
Answered: You can use the onBeforeCellRender event handler to add a custom CSS class to selected cells. At this moment, the Lite version doesn’t support the onBeforeHeaderRender event. However, you can use a c...
Github - Invalid dependency patterns detected in package.json
Answered: If your internal system forbids loading packages using direct https link, I recommend uploading it to your private registry (TMNA Artifactory).
Calendar Rows Not Matching Event Duration
Answered: By default, the Calendar aligns event boxes with the grid. You can adjust this behavior and display the exact event duration using the useEventBoxes property.
args.alt, args.control, args.meta on drag events
Answered: Hi Leo, This is now added in the latest release (2026.2.6914). In addition to the event handlers, you can also get the current modifier key status using DayPilot.Calendar.getCoords() and DayPilot.Sch...
Right-click drag behaviour differences between Calendar and Scheduler
Answered: Hi Leo, It was just that the Scheduler was ahead. In the latest release (2026.2.6936), the Calendar supports the same behavior: it lets you select a time range using right mouse click. In this case, ...
Daypilot Month - Loading Label acting odd
Hi, Monthly calendar set in “weeks” mode. I have custom left/right navigation which calls _Command in the code-behind. Navigation is working fine but although I have turned the Loading Label on in th...
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 ...
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