Bumping this bug, as it is still present several months after the original report.
The problem occurs specifically when clicking and dragging on the minimap to move the camera. The camera movement looks as though it is running at a very low frame rate, around 30 FPS, and feels noticeably choppy and uncomfortable to look at. I also noticed that this issue occurs in Age of Empires I: Definitive Edition, so it may have been inherited from there.
In comparison, camera panning through edge scrolling or using the keyboard arrow keys remains perfectly smooth at the monitor’s refresh rate.
This is especially noticeable on high-refresh-rate displays and would greatly benefit from a fix.
In addition, I’ve also found another camera-related bug: Camera micro-stutters while edge scrolling with units or buildings selected
