Regression introduced in R1 2020 SP1. Related to #5400
Reproduction of the problem
- Open the browser's dev tools Network tab.
- Run the example.
- Type in "s" in the ComboBox. A request is sent and the popup displays matching items (expected).
- Press Backspace key to clear the ComboBox input.
2 requests are sent to the "read" end point.
1 request is sent to the "read" end point. Note that if the input is cleared with the "clear" button, it works as expected and only 1 request is sent.
- Kendo UI version: 2021.1.119
- jQuery version: x.y
- Browser: [all]