GoogleVR rotational input stuttering after disabling stereo rendering

UE - Platform - Mobile - May 16, 2018

In a Google VR project, stuttering occurs when switching from stereo rendering to mono. Seems less like performance and more of a sensor input problem? 4.17 - No repro 4.18 - Unable to package (Ma ...

BP functions with enum-type input argument named 'Category' are erroneously assigned to category 'New Enumerator n'

UE - Gameplay - Blueprint - Jun 4, 2018

BP functions with enum-type input argument named 'Category' are erroneously assigned to category 'New Enumerator n' ...

Changing LODBias on landscape sections causes grass type placement issues

UE - LD & Modeling - Terrain - Landscape - Jun 6, 2018

Changing LODBias on landscape sections causes a grass type placement issues. The grass will be floating and rotated incorrectly. Found in 4.18 CL# 3832480,  4.19 CL# 4033788, 4.20 Preview 1 CL# 4 ...

Enabling Skeletal Mesh 'Per Poly Collision' crashes the Editor

UE - Simulation - Physics - Aug 20, 2018

When a Skeletal Mesh isn't assigned, enabling Per Poly Collision on the Skeletal Mesh Component causes the Editor to crash. This issue was reported and tested in 4.20.1 (CL-4233996). This issue was ...

Datasmith - Materials cropped different fields in the same bitmap only display one texture

UE - Editor - Content Pipeline - Datasmith - Exporters - Mar 16, 2020

Material cropping in 3DS Max doesn't seem to translate well into Datasmith when they are used in the same bitmap. This was reported and tested in 4.24.3 (CL-11590370). This was reproduced in 4.23.1 ...

UE4 Scene Crashing upon opening

UE - Foundation - Core - Sep 15, 2020

The user first launched his project and received an error on his HDD and UE4 crash with the default scene. He was able to open the project successfully a second time and opened the "Library Scene" ( ...

If use with mesh particles or use with niagara mesh particles is checked in the Usage flag of the material and the material domain is set to volume, compile error will occur.

UE - Niagara - Jan 5, 2021

[SM5] /Engine/Private/VolumetricCloud.usf(118,33-53): error X3018: invalid subscript 'VertexId' This is happening in VolumetricCloud.usf, but it seems that I can avoid the error by adding the follow ...

Crash when applying Post Process SceneTexture and VertexInterpolator as emissive color

UE - Rendering Architecture - Materials - Jun 22, 2021

When selecting apply after connecting a Post Process SceneTexture and a VertexInterpolator into the emissive color node a crash occurs. This issue is occurring in Binary //UE5/Release-5.0-EarlyAcce ...

When CascadeToNiagara, the Disable state of Emitter is not converted properly.

UE - Niagara - Oct 5, 2021

In CascadeToNiagaraConverter.py # copy the emitter enabled state. enabled = ue_fx_utils.get_lod_level_is_enabled(cascade_emitter_lod) niagara_emitter_context.set_enabled(enabled) It stores the ...