• Open the GridView examples
• In the available examples, select "Selection and Usability | Row Details"
• Select a row in the grid view
• In the external Details Presenter, select : nothing is displayed in the bottom.
• You have to select another row and then come back to show the detail.

The fix for this issue will be available with the next LIB (version 2018.3.1217) expected on Monday, December 17.