Client often fires twice when overlapping on a dedicated server

UE - Gameplay - Blueprint - Oct 25, 2016

Client often fires overlap event twice when overlapping on a dedicated server. Regression (no) issue (does) occur on 4.12.5 ...

Inherited Skeletal Mesh Components do not work for Mapping Control Rig Component

UE - Anim - Rigging - Control Rig - Oct 12, 2020

Control Rig Component does not work with inhereited Skeletal Mesh Components. They only work with non inhereited Skeletal Mesh Components. [Link Removed] ...

Debug Lines can be seen through objects at certain camera angles.

UE - Graphics Features - Apr 28, 2022

Debug Lines can be seen through objects that occlude them at certain camera angles. Repro Rate: 3/3 Tested this in //UE4/Release-4.27 @ CL#18319896 and the issue did not occur there, it is a regre ...

Editor Crashes when working in QAGame TM-Sequencer_EventTrack - TCString<TCharType>::Strlen(InName)

UE - Anim - Sequencer - Jul 12, 2017

Editor Crashes when working in QAGame TM-Sequencer_EventTrack - TCString<TCharType>::Strlen(InName) This Assert happens randomly throughout the repro-steps. I am unsure what about the process cause ...

FBX Export - Bug w/Material Import Method - Create New Instanced Materials

UE - Editor - Content Pipeline - FBX - Mar 3, 2023

There appears to be a bug with the "Create New Inherited Materials" option of the "Material Import Method" of the FBX Import Options.   Instead of creating a material instance of the material specif ...

Custom node not working with material attributes

UE - Rendering Architecture - Materials - Jul 15, 2024

Using Material Attributes as an input to a Custom Expression causes the HLSL Translator to create multiple CustomExpression# functions, for each used member of the Material Attributes, rather than u ...

Light Functions displayed on Large Translucent Meshes cause rendering errors

UE - Graphics Features - Sep 14, 2015

Light Functions are stretching and flickering on large translucent surfaces. Translucents Surface:[Image Removed] Opaque Surface:[Image Removed] ...

When painting on a landscape with edit layers, there are UV distortions happening across the boundaries of paint layers when material is using SetMaterialAttributes

UE - Graphics Tools - Terrain - Landscape - Mar 10, 2025

Context Landscape Edit Layers enables users to paint landscapes using non-destructive layers, and can add multiple layers to the landscape that can be edited independently from each other. Problem ...

Physical materials cannot be queried

UE - Rendering Architecture - Materials - Feb 12, 2015

Physical materials placed on starter content shapes always return as invalid for any trace or collision query. ...

Crash when using adaptive virtual texture

UE - Graphics Features - Mar 24, 2021

A check() is being hit intermittently when using adaptive virtual texture. check(Entry.Magic == Handle.Magic) inside FVirtualTextureProducerCollection::GetProducer ...