ObjectScale returns a Cascade Mesh particle's XYZ scale as 1.0

UE - Niagara - May 13, 2020

Sampling a Cascade Mesh Particle's scale always returns XYZ as 1.0 This is a regression from UE4/Release-4.24.  This does NOT affect Niagara Mesh particles.  I've attached a Cascade (left example ...

Lightmap Coordinate Index is not automatically set to 1 on import any longer with lightmap UV

UE - Editor - Content Pipeline - Import and Export - Sep 6, 2016

When importing a static mesh with a second UV channel setup for the lightmap the second UV is no longer being automatically assigned as the lightmap coordinate index. In 4.12 the second UV detected ...

[MetaSounds] - Changing an Input to Modulation Parameter crashes editor due to module load order

UE - Audio - MetaSounds - May 27, 2022

Setting an Input type on Modulation Parameter crashes the editor with:Assertion failed: Pair != nullptr [File:E:\SMoyls_UE5_Release-5.0\Engine\Source\Runtime\Core\Public\Containers\Map.h] [Line: 643 ...

RayTracing Final Gather is not working in UE 5.1

UE - Graphics Features - Ray Tracing - Apr 12, 2023

Further Comments: Customer is using the deprecated ray traced mode. ...

Particle Systems Don't Play In Reopened Levels With ES 3.1 Enabled

UE - Niagara - Jan 27, 2020

Particle systems placed in levels don't play as expected on level load when using ES 3.1 Preview. Found in 4.24.1 CL#10757647 Reproduced in 4.25 Main CL#11115840 ...

Unable to Edit Curve Names between 2 Different Animsets (if name of curve is the same)

OLD - Anim - Aug 13, 2015

If you create 3 curves in AnimSequence A and name them 1, 2 and 3 respectively, then create 3 curves in AnimSequence B and name them 4,5 and 6 respectively... In AnimSequence B you will not be able ...

'Greater/Lesser Than or Equal To' nodes do not work consistently with values lower than 1

UE - Gameplay - Jun 8, 2015

'Greater/Lesser Than or Equal To' nodes do not work consistently with values lower than 1 Note: The issue isn't present with whole numbers (ex: 10 decremented by 1) ...

This project crashes when opening most maps after converting to 4.7 Preview 5

UE - Gameplay - Blueprint - Feb 4, 2015

This project crashes when opening most maps after converting to 4.7 Preview 5. Also crashes after converting to 4.8 Main (tested in //depot/UE4/Promotable-CL-2429371). Crash log attached. Crash R ...

Strange Behavior for LayeredBlendPerBone when Blend Pose 0 and 1 are in the same hierarchy

OLD - Anim - May 25, 2017

With Layered Blend Per Bone, if the bone for Blend Pose 1 is in the hierarchy below the bone for Blend Pose 0, then the Blend Weights have some odd behavior. Blend Pose 0 = root Blend Pose 1 = spin ...

Attached actor rotates incorrectly if the parent has negative scaling on one axis and more than 1.0 scaling on another

UE - Gameplay - Dec 27, 2016

A child actor rotates incorrectly if the parent has negative scaling on one axis and more than 1.0 scaling on another. The child/parent relationship was created through the World Outliner. Licensee ...