Compile error in ShadowDepthVertexShader.usf if INTERPOLATE_POSITION

UE - Graphics Features - Oct 21, 2015

Shader compile error in function PositionOnlyMain() in ShadowDepthVertexShader.usf if defined INTERPOLATE_POSITION. LogShaderCompilers:Warning: 1 Shader compiler errors compiling WorldGridMaterial ...

Adding a Material Parameter track sets Parameter to Master Material defaults

UE - Anim - Sequencer - Aug 5, 2016

In Sequencer, adding a Material Parameter track sets Parameter to Master Material defaults ...

Character animations are not played in sequence created from Recording First Person Template

UE - Anim - Sequencer - Aug 5, 2016

Character animations are not played in sequence created from Recording First Person Template Follow-up to [Link Removed] ...

[CrashReport] UE4Game!FStreamingManagerTexture::FStreamingManagerTexture()

Tools - Jun 6, 2016

This Jira was created from CrashReports submitted by the public due to the high number of occurrences. This crash is only occurring in packaged games, not in the editor. The Logs contain the follo ...

Crash on Mac on exit.

Media Framework - Aug 17, 2020

A licensee reported trouble with a crash on exit on Mac. They discovered that the file AvfMediaPlayer.cpp, on the function Open there is this piece of code:// Force the AV player to not be able to ...

Regression: Selected Virtual Production Roles are saved but not loaded from Saved/Config/WindowsEditor/UserVPRoles.ini, unless file DefaultUserVPRoles.ini exists (even if completely empty)

zComponent - Archive - Mar 7, 2025

When the "Virtual Production Utilities" plugin is enabled, the Editor makes available a list of "Virtual Production Roles", which can be created and individually selected in a "VP Roles" dropdown on ...

Exporting process stuck in "Estimated time" phase when uploading projects with Panorama Sets & Presentation after freshly booting TM

TM - Core - Dec 4, 2024

Cloud Build: TWINMOTION CL app-2023.2.33001994-2024.1.37216540-2025.1.38508591-cloud-2024.12.02.095314 (DEV / STAG, CHROME) Issue: Exporting process stuck in "Estimated time" phase when uploading p ...

Orphaned BP actors when using UWorldPartitionBuilder

UE - Engine Scaling - Streaming - World Partition - Nov 21, 2025

From an EPS case: --------------------------------- We're seeing a recurring issue where child BP actors are becoming orphaned during any processing that uses UWorldPartitionBuilder. It affects ...

[CrashReport] UE4Editor_Engine!USimpleConstructionScript::RemoveNodeAndPromoteChildren() [simpleconstructionscript.cpp:785]

UE - Gameplay - Blueprint - Jul 5, 2016

This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Source Context: 770 AllNodes.Remove(Node); 771 772 Node->bIsParen ...

[MetaSounds][Voice Management] - MetaSounds set to Restart do not virtualize correctly when the Attenuation Shape is not a Sphere

UE - Audio - Aug 17, 2022

When using Attenuations with MetaSounds, if the Attenuation Shape is Sphere it works as expected. However, other shapes do not work correctly. The sound either becomes deactive or sometimes the soun ...