GoogleARCoreJavaHelper functions are not correctly exported publicly

UE - Platform - XR - Oct 31, 2018

The jni functions in GoogleARCoreAndroidHelper.cpp are not correctly exported, when we tried to build a Test project it failed with this exception:  java.lang.UnsatisfiedLinkError: No implementatio ...

BuildGraph XML Errors Logged Incorrectly

UE - Foundation - Horde - BuildGraph - Aug 30, 2019

Suggested fix from licensee: After investigation, it seems that the filename is passed as a string instead of a FileReference in Script.cs:84. Fixing the issue seems to be as simple as changing th ...

Cloth jitters in Movie Render Queue renders when temporal sampling is enabled

UE - Anim - Sequencer - MRQ - Dec 6, 2022

The Cloth simulation time step smoothing is interfering with the substepping fix for multi Temporal Samples by changing the very variable DeltaTime and causing some large errors in the cloth simulat ...

Error: CDO Constructor (DeprecatedGearVRControllerComponent): Failed to find /OculusVR/Meshes/GearVRController message launching onto Android from Mac

UE - Platform - XR - Jul 12, 2017

Only occurs launching onto device from Mac. Did not occur from windows. Error message is displayed on android device when launching QAGame QAEntry on to it:Error: CDO Constructor (DeprecatedGearVRC ...

Blueprints with inherited Macros cannot save

UE - Gameplay - Blueprint - Feb 27, 2015

Blueprints with inherited Macros cannot save. Reproduced in 4.7.1 binary and Main (//depot/UE4/Promotable-CL-2455917) ...

Shooter Game: High Rise is rendering Red Artifacts in Reflections and AO

UE - Graphics Features - Jun 11, 2015

When running Shooter Game, Highrise map, there are red artifacts rendered in the boundary areas between AO and Reflections. This is a regression from 4.7.6. In 4.7.6 - [Image Removed] In 4.8.0, Li ...

Second player's screen does not render in Split Screen on Android

UE - Platform - Mobile - Mar 21, 2019

The second player's screen in a Split Screen multiplayer session on Android does not render. It remains completely black. This was also an issue prior to 4.15 but was fixed with [Link Removed]. The ...

Chaos Cloth: NaNs can be introduced from bad AnimatedPositions/Normals

UE - Simulation - Physics - Character - Aug 17, 2024

We've worked out at least a possible way this can occur from using uninitialized AnimatedNormals values when changing LODs. Ensuring all AnimatedNormals are initialized appears to fix the problem. ...

Procedural Sound Wave Fails to Play when returning 0 bytes in GeneratePCMData callback

UE - Audio - Aug 2, 2016

Returning 0 bytes in GeneratePCMData results in the procedural sound wave not continuing to play audio. Instead of returning 0, we need to return an empty buffer if the procedural sound wave doesn't ...

Hierarchical Instanced Static Mesh component instances are not duplicated correctly if the parent is duplicated

UE - Graphics Features - Dec 16, 2016

Duplicating an actor with a Hierarchical Instanced Static Mesh component that has an instance will duplicate the instance as well, but this instance is not rendered. Please note, this was discovere ...