Montage keyframes calculation error

OLD - Anim - Apr 28, 2016

Animations are not showing proper length when converted to Montage. Up to 98 frames (AFAIK) when converted to Montage, the Montage will show the correct number of keys. However, a 100-frame anima ...

Particle light module doesn't work if forward rendering is enabled

UE - Graphics Features - Dec 13, 2016

There's a UDN link below, the second images in the thread shows this problem. It should be noted that the light module will cast light in forward rendering if "High Quality Lights" is checked in the ...

Reapply removed bones appears to cause Reduction settings to be removed/disappear

UE - LD & Modeling - Modeling Tools - Mesh Editing - Jun 17, 2019

If changes are made to the reduction settings of a skeletal mesh and then bones are removed via the "Bones to Remove" array. Then the reduction settings will disappear/get removed ...

Lumen appears to ignore custom World Origin Location

UE - Graphics Features - Lumen - Jul 12, 2022

Lumen doesn't update when the World Origin Location is changed. ...

Actor scale can be different on client and server when spawning with scale of (1,1,1)

UE - Networking - Feb 28, 2023

When spawning an actor, we don't seem to replicate the scale if it's set to (1,1,1), even if the root component's default scale is different to this. This results in the client using the default sca ...

Asset referencing error on a Python Pipeline Asset

UE - Editor - Content Pipeline - Import and Export - Sep 18, 2023

[Image Removed] ...

Animation attributes - user defined structs containing types defined in plugins cannot be registered

UE - Runtime - Animation - Dec 18, 2023

This issue is caused by us forcing user defined structs to be loaded as part of AttributeTypes::Initialize.  That is called after at the ObjectSystemReady run phase during engine initialization howe ...

Using a Shading Model node set to Unlit results in an invalid material with FromExpression domain

UE - Rendering - Architecture - Materials - Feb 29, 2024

Create a materialSet its domain to From ExpressionRecreate the node graph as in the screenshot Note that the preview sphere is black. ...

Hair Material's Tangents input has no effect in PathTracing

UE - Graphics Features - Path Tracer - Nov 1, 2024

Expectation: Tangent should work on Hair Material ...

Subobject properties are visible in Class Defaults in Data Only blueprint editor mode

UE - Gameplay - Blueprint Editor - Sep 23, 2020

Note:  if QABP_SubobjectTester_Defaults * is opened in *Full Blueprint Editor mode, Subobject Testing and Default Subobject Testing categories  are not presented in the Class Defaults or Details (fo ...