Using the attached sizing settings I still get scroll bars and it doesnt properly fit the window to the work area, this just randomly started happening. No change in settings seems to make it fit to the work area, or to even impact the resolution of the rdp session in any way. I also have the HDPI scaling turned off.
Using version 2019.1.30.0
Attachments didnt want to stick, here they are
Could you try the following settings in File -> Options -> Types -> RDP?
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