Cannot successfully create a local binary build of the Engine that includes iOS

UE - Foundation - Build - Rocket (Installed Engine) - Jun 6, 2018

Attempting to create a local binary build of the Engine that includes iOS currently fails. The error message that appears ("ERROR: System.Collections.Generic.KeyNotFoundException: The given key was ...

Rhino blocks not placed correctly when imported

UE - Editor - Content Pipeline - Datasmith - Importer - Oct 15, 2018

The Rhino blocks are imported with the base point at the origin, causing them to import inside of each other when the process is complete. In 4.20 (4.20E4) the blocks are imported apart from each ot ...

Android Packaging fails if SDK path set in Project Settings contains a space

UE - Platform - Mobile - Jan 11, 2019

Attempting to package for Android when your SDK settings are pointing to a directory that contains spaces results in a failure. This can be worked around by moving the NVPACK folder and its contents ...

Infinite sections when upgrading past 4.19 can be non-infinite

UE - Anim - Sequencer - Apr 2, 2019

In 4.20 movie scene sections changed how infinite sections worked, and some sections that could be infinite no longer had the capability. When converting the sections use the start and end time of t ...

Eye Adaptation Material Node Only Functions in Surface Material Domain

UE - Graphics Features - Apr 24, 2019

The Eye Adaptation material node only functions in Surface Material Domain. Found in 4.20 CL# 4369336, 4.21 CL# 4753647, 4.22 CL# 5660361, and 4.23 CL# 6074473 ...

AnimBP instance is leaked when using linked animation graphs with 3 or more hierarchies

UE - Anim - Runtime - Sep 5, 2022

When creating an AnimBP with 3 or more layers using linked AnimGraph nodes and going through a state where animation is initialized such as replacing SekeltalMesh, the AnimBP on the 3rd layer is not ...

Preview Mesh does not disappear after releasing the Keyboard Shortcut

UE - Editor - Workflow Systems - Nov 9, 2022

This is a regression. Tested in //UE5/Release-5.0 CL20979098 Preview Mesh does not disappear after releasing the Keyboard Shortcut as expected. The Mesh remains until the editor is restarted or ano ...

Cloth simulation breaking after scaling > 10

UE - Simulation - Physics - Character - Jan 4, 2023

Reproduced 3/3 times, issue also occurs in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed NOT a Regression. Simulation appears to work fine when scaled by 10, but any higher and it starts to mis ...

XR Planar Reflections lag behind VR headset movement

UE - Platform - XR - Mar 24, 2023

Planar Reflections lag behind VR headset movement [Link Removed] Reporting that reflection captures lag because they happen before late update is applied. Includes an experimental patch that fi ...

Crash after generating HLODs for approximated meshes that have all triangles culled

UE - World Creation - Worldbuilding Tools - HLOD - Apr 26, 2023

The crash occurs when FWorldPartitionHLODUtilities::BuildHLOD attempts to build an approximated mesh that has all of its contents culled during generation, this can happen when an approximated mesh ...