Declined this because it is not a bug, but an issue with the setup of the filters. Using the settings in the project where this scenario was caught, you end up with a expression that looks like this:
(MyBooleanProperty IsEqualTo False) AND (MyBooleanProperty IsEqualTo True)
The bool property cannot be True and False at the same time, so the filter returns no items.
Regards,
Martin Ivanov
Progress Telerik
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