Mac Mini (2018) Serious Monitor Issue

I just got the new Mac Mini (2018).

When connecting it to my Asus PG279Q monitor, the handshake between macOS and the monitor will often fail with the following log output:

hidDeviceForLegacyDisplay: failed DSHIDDeviceNewLegacy: failed DSDeviceNew: Failed to create new HID or IIC device for displayID 0x1a49fb02 -[CBDisplayContainerMacOS setupInternalModules]: Failed to create display module for device ID 441056002 -[CBDisplayContainerMacOS start]: failed to start -[BLControl updateDisplaySet:]_block_invoke: failed to start cotainer for display ID 441056002

The result is a black screen, sometimes with a cursor visible. The case is the same using both HDMI and Displayport.

I'm also seeing a lot of these:

WindowServer [ERROR] - Attempting to get capabilities from capabilities with no devices

and these

com.apple.AmbientDisplayAgent Invalid display 0x1a490575

When using Displayport, I'm also seeing a lot of these:

[IGFB][ERROR ] Link loss occurred on port 2 [IGFB][ERROR ] Recovering DP link (6) [IGFB][INFO ] FB1: Complete modeset [IGFB][ERROR ] FB1: Flip called without enabling VBL [IGFB][INFO ] FB1: Restoring gamma

The case is the same in safe mode.

The case is the same in recovery mode.

The case is the same with a clean installation.

I have reported the bug on https://bugreport.apple.com with case ID ***** including a video and further log details, as well as a comparison to a 2017 Macbook Pro, which does not have the issue.

I'm about ready to return the Mac Mini. Please help.

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