At 2020-12-10 a new version of RailControl has been published. Direct link: RailControl Download
New is:
Several bugfixes, especially crashes when deleting elements from the layout.
Clusters: In automatic operation all tracks of a cluster can only be in the same direction of travel.
Option at track level if the trains can change the direction of travel in automatic operation.
Setting if the current should be turned of if an unexpected feedback is hit.
Have fun!
Teddy