BetterXCloud Remote Play Black Screen only 1080p

I'm using betterxcloud 6.5.0 on a Logitech Gcloud. I have a Series X on my wired home network. When I try to Remote Play with resolution set to 1080p, it wakes the Xbox and connects, but only shows black screen. If I relaunch app and set resolution to 720p, everything works flawlessly. Any ideas?