Bug report

Reproduction of the problem

Reproducible in the Vertical Grouping demo.

1. Select the Timeline view.
2. Add multiple (more than 11) events to a single time slot: screenshot.
3. The slot resizes in height each time a new event is added, however, the more events are added the closer to the slot's bottom border they are pushed.

Current behavior

After adding 11 or more events, the last event starts overlapping the next resource group slot.

Expected/desired behavior

The slot should resize accordingly, based on the number of events shown in it. Events should not be displayed outside of the slot they belong to.

Environment

• Kendo UI version: 2020.2.513
• jQuery version: x.y
• Browser: [all]