Mendix 6.9.0: No defaults for new microflow call in microflow editor

Hi,

In Mendix 6.9.0 I ran into this issue during editing a microflow:

When I drag a microflow from the project explorer into the editor, no defaults are suggested for the parameters.

When I drag a microflow action in the editor onto the canvas, change it to call a microflow and select the microflow from the search popup, parameters are suggested.