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 ...

AnimDrawDebug does not work if using RootMotion from Everything

UE - Anim - Gameplay - Feb 14, 2023

Debug drawing with AnimDarwDebug~ does not work when RootMotionMode is set to "RootMotion from Everything". In addition, the same issue occurs when MultiThread of Animation is turned off. Licensee ...

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 ...

Auto Exposure Compensation Curve issue when switching from Manual to Histogram

UE - Rendering Architecture - Feb 21, 2024

When switching the Camera's Exposure Metering Mode from Manual toHistogram, the exposure level resets and takes time to settle. The Licensee has a proposed code change that would fix this issue. Als ...

[Audio Modulation] - Ensure is thrown when attempting to modulate a Source Effect at runtime

UE - Audio - Modulation - Sep 6, 2023

Does *not* occur in editor. Only in standalone and runtime. Occurs when modulating Chorus or Bit Depth Also occurs in 5.2 and 5.3. I also noticed the test with this is supposed to set the chorus e ...

Crash when reverting to the default material in the static mesh editor

Tools - Apr 17, 2017

The editor crashes when attempting to revert the material on the cube back to default which is the World Grid Material. The cube is already set to WorldGridMaterial so I am not sure why the arrow ...

Enabling MobileHDR on Meta Quest 3 device causes intermittent hang in splash screen

UE - Platform - XR - Feb 2, 2026

Using MobileHDR on an actual MetaQuest device (MQ3 tested) causes an intermittent hang/deadlock in the splash screen. This hang in the splash screen seem to happen maybe 1 in 5 times. The first ti ...

Assert cooking QAGame QA-Blueprints map with Nativization enabled

UE - Gameplay - Blueprint Runtime - Apr 18, 2017

When cooking QAGame (QA-Blueprints map) an assert is triggered during the cook step. So far I have reproduced this for: Win64 and PS4. ...

Editor crashed on opening level blueprint

UE - Gameplay - Apr 10, 2017

I've been unable to reproduce this issue. Once only occurrence so far. I did some other things inside the level in between these steps like pressing play and copying, rotating, deleting objects in ...

4.7 Regression: Character::OnJumped_Implementation() not virtual and will skip user implementation or fail to compile

UE - Gameplay - Feb 25, 2015

Character::OnJumped_Implementation() should be virtual or users' custom implementations will not be called. If they declare it with "override" their code will fail to compile. Already fixed in Main ...