Volume artifacts (Bleeding)

UE - Graphics Features - May 31, 2023

Runtime Virtual Texture rendering can allocate more FRDGBuffers than expected

UE - Rendering Architecture - Dec 10, 2024

When rendering runtime virtual texture pages without throttling (when r.VT.MaxUploadsPerFrame is high or during Movie RenderQueue captures) the number of FRDGBuffers allocated by the Render Graph Bu ...

Interface functions called as events in Blueprints that implement the interface cannot be set to replicate

UE - Gameplay - Blueprint - Jun 11, 2015

Interface functions called as events in Blueprints that implement the interface cannot be set to replicate. When the event node is clicked, the Details panel is empty. Reproduced in 4.7.6, 4.8, and ...

Play rate track does not work when using CreateLevelSequencePlayer

UE - Anim - Sequencer - Oct 13, 2016

Play rate track does not work when using CreateLevelSequencePlayer Regression: YES Worked: 4.12.5 CL:3039270 Broken: 4.13.1 CL:3142249 ...

Possible incorrect logical operator used in if statement in OnlineSessionInterfaceNull.cpp

UE - Networking - Dec 31, 2014

A user pointed out a possible mistaken use of the && operator instead of the || operator in an if statement in source code. In the FOnlineSessionNull::GetResolvedConnectString() function in OnlineSe ...

Upgrading Project After Disabling Light PropagationVolume Plugin Causes Crash

UE - Foundation - Cpp Tools - Plugin System - Apr 1, 2016

Attempting to upgrade a project from 4.10 to 4.11, or 4.11 to 4.12 with the LightPropagationVolume plugin disabled causes it to crash. Found in converting a 4.10 project to 4.11, and reproduced con ...

Stationary Skylight intensity blown out

UE - Graphics Features - Nov 29, 2016

Using a Stationary Skylight appears to be blown out with the SLS Captured Scene. Movable and Static do not exhibit this behavior. Comparison gif attached and sample project attached. Tested with: ...

Light rendering becomes broken when at a distance of ~1000000 from origin

UE - Graphics Features - Oct 7, 2020

Tested at X=20,000 with no issue Tested at X=500,000 with no issue Tested at X=1,000,000 issue occurs NOT A REGRESSION ...

An Assertion is thrown when connecting a Vertex Interpolator nod to PerInstanceCustomData node to the Result node

UE - Rendering Architecture - Materials - Apr 20, 2022

Assertion is thrown when connecting a Vertex Interpolator nod to PerInstanceCustomData node to the Result node. ...

UMaterialBillboardComponent does not render when moving

UE - Graphics Features - May 19, 2022

Marking this as a Regression since it works as intended in Release 4.27.2 (CL-18319896). I've also confirmed the behavior is occurring in UE5 Main (CL-20283975) as well.  ...