Environment

Windows build number:
Platform      Version               VersionString
Win32NT     10.0.18362.0        Microsoft Windows NT 10.0.18362.0
Windows Terminal version: Version: 0.6.2951.0

Steps to reproduce

Make the Windows Terminal go full-screen on a 4K monitor.

Expected behavior

Fast and responsive (like it performs in non-full screen mode).

Actual behavior

Super slow and sluggish behavior. There is at least a 2s delay for typing and using ls for example will result in a slow animation for listing the content in a directory. The Terminal is pretty much unusable if I go full-screen

I have a laptop with a 1080p display and I also have an external monitor connected via mini-display port. Monitor is 4K native 60 Hz, and it works without any issues. My laptop has also a dedicated GPU (nVidia GTX850m with the latest drivers). All other apps (i.e. Spotify, Microsoft Edge, Word etc) perform just fine when in full-screen on this 4K display. However, the Windows Terminal performs super slow when I go full screen on the monitor.
Terminal performs fine when I put it in full-screen on the laptop's main display.