PCG crash when using Attribute Remove Duplicates on partitioned data if one of those sets of data is empty

UE - Graphics Tools - PCG - Graph - Jul 3, 2025

Context: In PCG, the Attribute Remove Duplicates node can be used to remove duplicate attributes from an array. Problem: The licensee has observed that using the Attribute Remove Duplicates node ...

Crash When Material is Set to Deferred Decal with Emissive Decal Blend Mode and Forward Shading Enabled

UE - Graphics Features - Jan 25, 2019

When Forward Shading is enabled, if you create a material with their properties setup with the following:   Material Domain: Deferred Decal - Blend Mode: Translucent - Decal Blend Mode: Emissive T ...

Crash in persona editor when set postprocess animinstance using Linked Layer Anim to skeletal mesh

UE - Runtime - Anim BP - Aug 29, 2023

Crash when set PostProcessAnimBlueprint in persona editor. Related to [Link Removed] Closed , [Link Re ...

Compile error when opening a project on child blueprint calling parent blueprint event

UE - Gameplay - Blueprint - Sep 8, 2015

child blueprints calling functions from parent blueprints generate compile errors upon opening project and pressing compile within the child blueprint. Workaround: Open parent blueprint and comp ...

Cannot place static mesh in location if foliage mesh is already placed in same location

UE - World Creation - Worldbuilding Tools - Foliage - May 12, 2015

If a foliage object is already placed in level at a location, it will delete any static mesh that is placed in the same location. ...

Local variables do not appear in the context menu inside collapsed graphs

UE - Gameplay - Blueprint - May 21, 2015

Local variables do not appear in the context menu inside collapsed graphs. They can still be dragged into the graph. Reproduced in 4.8 Preview 3 and Main (//depot/UE4/Promotable-CL-2560501) ...

Unable to locally rotate individual foliage

UE - World Creation - Worldbuilding Tools - Foliage - Jul 14, 2017

Unable to locally rotate individual foliage. This seems to have been a limitation of the foliage tool from it's creation. Licensee Description: I would like to ask if there is any way how to preve ...

Foliage meshes do not appear in high res screenshots after certain amount

UE - World Creation - Worldbuilding Tools - Foliage - Aug 24, 2017

When using the Engine's High Res Screenshot tool, there is a limit on the amount of foliage that can be present before the meshes stop appearing. This number is around 1500 meshes, though I was not ...

Rendering Offscreen Using Non-Fullscreen View Creates Black Border

UE - Graphics Features - Apr 25, 2018

Issue has been observed in 4.19.1 from EGL and Main CL 4027311. Per licensee: We recently switched from UE 4.18 to 4.19, and noticed several issues when doing offscreen rendering. To illustrate th ...

Unable to package for Linux with exceptions enabled

UE - Platform - Linux - Oct 9, 2018

Licensee's project requires the bEnableExceptions flag to be set to true in the Build.cs file. The build compiles for Windows, but when attempting to package for Linux they get these errors: Proce ...