Update window opens on top of modal open previous session window

Start RDM
Open session
Close RDM
Keep session open
Restart RDM
RDM prompts new version available
RDM prompts to open previous session
New version prompt shows on top of open previous session
Open previous session was opened modal
RDM UI is unresponsive due to modal previous session window not being visible

Solution is to terminate the process
Restart, quickly click on update window, then re-open dialog will show on top of update window

This has been happening for several versions.

Running on Win10 x64 Pro Insider 14342
Current RDM is 11.1.17.0, request to update to Beta 11.5.00