When an Item is selected, the SearchText property should be updated so it shows the item's text. At the moment it stays with the last entered text. The scenario is valid only for Single mode

When an Item is selected, the SearchText property should be updated so it shows the item's text. At the moment it stays with the last entered text. The scenario is valid only for Single mode

On start up a Binding error is thrown in the Output for ElementName=WatermarkTextBox.

Available in LIB version 2016.3.1017, it will be also available in the 2016 R3 SP1 release. 

If the AutoCompleteBox is in SelectionMode="Single" editing the text of the SelectedItem will cause the textbox's CaretBrush to go to the end of the text.

If the SelectedItem is initially bound to an object and Tab focus passed through the control the text in it disappears.

If you have RadAutoCompleteBox above RadPanelBarItems and the expanded drop down menu (of the RadAutoCompleteBox) covers them, if you click over some of the drop down items the RadPanelBarItem below gets clicked too.
The fix is available in  Q2 2013 Release.

When custom items populating with delay is implemented the first item in the drop down is not highlighted

AutoCompleteBox cannot be focused on the page load.

When the Populate method is called from the control's GotFocus or PreviewMouseLeftButtonDown events, moving the parent Window does not close it's DropDown.

Available in LIB Version 2016.3.1010, it will be also available in the 2016 R3 SP1.

Available in LIB version 2016.2.525, it will be also available in the 2016 R2 SP1 release.

When the SelectedItems property is bound, moving items inside that collection causes ArgumentException.

Available in LIB version 2016.3.1017, it will be also available in the 2016 R3 SP1 release. 

Esc should be handled only when the popup is opened.

When you set TabIndex property the control still uses the default value.

Available in LIB version 2016.1.314, it will be also available in the 2016 Q2 Release.

HighlightedIndex is lost when the drop down is opened and the ItemsSource is replaced.

This causes strange behavior where if the control is unloaded and that loaded again the "Text" in the control's TextBox is returned to the cleared item's text.

Available in LIB version 2016.2.530, it will be also available in the 2016 R2 SP1.

After removing an item with it's remove "X" button, two mouse clicks are required in order to lose the focus from the control.

Available in LIB version 2016.2.606, it will be also available in the 2016 R2 SP1 release.

Clicking the ScrollViewer of the control causes the focus to be retained by the RadAutoCompleteBox, leading to double mouse click required in order to access outside control.

Also the mouse cursor is changed IBeam value rather than the default Arrow value.

The fix is available in the 2016 R3 SP1 release.

Should be clicked somewhere else afterwards in order to refresh the cursor.
The fix is available in R2 2016 SP1.

Available in LIB version 2016.3.1017, it will be also available in the 2016 R3 SP1 release.