Unreal Engine Issues

GPU crash accessing Scene_GPUScene_GPUScenePrimitiveSceneData

Ensure failing when compiling Macro Library blueprints

Popping Ribbon UVs

Please see the Additional Link for related UDN information. The UV popping described can be subtle, depending on settings; it's affected by spawn rate and GPU vs CPU. The popping shown in the gif t ...

Data loss with subobjects in Blueprint arrays

MRQ GBuffer Output Renders Normal GBuffer instead of BaseColor

When attempting to use console variables to render the BaseColor output, the GBuffer overview or GBuffer normal output is rendered instead.  Using the commands in the Editor viewport shows the BaseC ...

Iris - dynamically spawned actor components call BeginPlay before reading initial replicated properties

The same issue reported in [Link Removed] is also present in Iris. ...

Editor crash after reverting a Blueprint asset in source control

Added context from dev support ticket:The crash occurs because FDelegateProperty::Serialize accesses a dangling SignatureFunction pointer. Given that its derefencing dangling pointers the specifi ...

Searching for gameplay tag variable values in the blueprint details panel returns no results

The expected behavior is when searching for a gameplay tag value in the blueprint details panel, you will find the matching gameplay tag you are searching for. The actual behavior is when searching ...

Resolution retrieval issues caused by multi-monitor hot-swapping.

I looked into the underlying code, and it seems that this situation is not well handled. One possible solution is to trigger EnumAdapters() when the system fires the WM_DISPLAYCHANGE message. This ...

Global Invalidation causes CommonAnimatedSwitcher to flicker after animation completes

The common animated switcher will currently flicker for one frame when its transition animation completes if global invalidation is enabled. This appears to be caused by a visibility change (HitTest ...