If the time slider is not selected the system time is used.
Filter change events
Since 2016.02 a filter button has been added which lets the user choose which change events should be included (Map Layers, Locations, Location Attributes, Location Relations):
Together with the menu option for location filter "Show Config Diff for Selected Time" it will show a clear overview of all :
Time dependent map layers
The map layers can be configured in the SystemConfigFiles/Explorer.xml file.