UE4 Freezes when ran with -DX12 arg on laptop running 2080 MaxQ without secondary screen

[Skalamanga]

There’s been a ue4.22.1 hotfix release, anyone tried it yet? Theres a couple of d3d12 bugfixes.
https://forums.unrealengine.com/unreal-engine/announcements-and-releases/1612034-4-22-1-hotfix-released