NDisplay on 5.7 hitching

[BenWeno]

Hello, I recently upgraded my nDisplay project to 5.7 and I’m seeing some pretty bad hitching every few seconds only when I run it through nDisplay in a packaged game. I’ve tried just launching an empty scene in my project and see the same issue. I also re-installed the engine, made a new empty project with a simple nDisplay config and am seeing the same thing. Any ideas what could be causing this?

Here’s a screenshot of the hitch in a unitgraph:

And in unreal insights it appears as “RenderGraphExecute - Slate” if I’m reading it right:

[BenWeno]

It doesn’t seem like the latest patches have fixed this. I have noticed there’s some new logs since 5.5 related to failing socket connections:

[2026.04.28-19.22.47:731][ 31]LogUdpMessaging: Error: Sender FUdpMessageProcessor.Sender: SendTo failed (destination: 10.10.6.61:9030) (SE_NO_ERROR)
[2026.04.28-19.22.47:967][ 45]LogUdpMessaging: Warning: FUdpMessageProcessor::ProcessPingSegment failed to send ping segment 127.0.0.1:53991.
[2026.04.28-19.22.48:145][ 56]LogUdpMessaging: Warning: FUdpMessageProcessor::AcknowledgeReceipt failed to send 127.0.0.1:59001.
[2026.04.28-19.22.48:145][ 56]LogUdpMessaging: Warning: FUdpMessageProcessor::AcknowledgeReceipt failed to send 127.0.0.1:59001.
[2026.04.28-19.22.48:146][ 56]LogUdpMessaging: Error: UpdateSegmenters, Socket error detected when communicating with 127.0.0.1:59001, Banning communication to that endpoint.

I’ve tried allowing those ports through the firewall, but I still get the errors. This is all running on a single machine with one node.