Hello Mike,
Thank you for the feedback, it is valuable to us.
1. Actually this was a design push and the Button is inconsistent, but we will update it for the release. The shadow is placed there to indicate that the control is currently focused.
2. There is a CSS transition effect running when the shadow is shown, hence the delay. The issue is that Chrome handling of transitions is still rather broken and the animation can be jerky. We may consider removing that transition.
3. I couldn't reproduce this issue without moving the pointer slightly when holding down the mouse, which starts text selection and the marker changes to the text one to support that.
4. This is again due to Chrome's awful handling of CSS transitions. Since there are other similar issues there, we decided to stop transitions for the Popup in Chrom. The dropdown opens much smoother now there.
Best wishes,
Kamen Bundev
the Telerik team
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