Interchange: Forcing "Bind Pose Time Zero" to true doesn't always give good result

UE - Editor - Content Pipeline - Import and Export - Nov 6, 2024

When using the legacy fbx importer with time zero option to true the skinning is good. So its a regression. Would be awesome if it can be fix in 5.5.1 ...

FBX naming conflicts causing collision to not import correctly.

UE - Editor - Content Pipeline - Import and Export - Feb 17, 2025

For our static mesh pipeline we have group nodes in Maya that use the name of the asset. Under that we have a mesh that also has the name of the asset. We may also have collision as well so a typica ...

Noise Material Expression is rendering outside Min and Max Range with High Position Values

UE - Graphics Features - Mar 31, 2015

The Noise Material Expression is rendering values well outside the Min and Max Range set in the Expression node. Also Reproduced in Main Promotable-CL-2469752 Alerted the user to suspicions and su ...

UMaterialBillboardComponent Memory Leak and Hitching (Unreal 4.19.2 + 4.19.1)

UE - Graphics Features - May 4, 2018

Creating an actor with a UMaterialBillboardComponent causes Editor hitching. ...

Animation Rate Scale does not appear to have an affect when blending an animation with two different Rate Scales

OLD - Anim - Dec 14, 2018

Rate Scale does not appear to have an effect when using a blend space that blends an animation with two separate Rate scales. ...

Local binary build of 4.22.1 fails when only Visual Studio 2019 is installed

UE - Foundation - Cpp Tools - Apr 30, 2019

Attempting to create a local binary build of 4.22 using Visual Studio 2019 (with no other versions of Visual Studio installed) currently fails with several warnings and errors, including the followi ...

4K Resolution and High DPI Scaling in Linux aren't completely affected by System Display Scaling

UE - Platform - Linux - Aug 26, 2019

Unreal doesn't change appearance when changing system configuration display scaling options. Editor Texts are still quite small and don't change based on the Display Scaling %. This bug also causes ...

Making a navigation system 'strictly static' affects all subsequently created navigation system instances

UE - AI - Mar 26, 2020

The problem is a result of two things: UNavigationSystemV1::bStaticRuntimeNavigation being staticUNavigationSystemModuleConfig::UpdateWithNavSysCDO copying the data from nav sys CDO, including bStat ...

Migrating a project from UE5.2 to UE5.3.1, there was a difference in the navmesh generated on HISM

UE - AI - Navigation - Oct 24, 2023

HISM is generated by ConstructionScript Actor is placed on the level and navmesh is generated on top of HISM. In UE5.2, the navmesh was generated without splitting on the HISM. In UE5.3, a break occ ...

Particle Effects Do Not Play in Transition Maps

UE - Graphics Features - Oct 24, 2016

Particle effects do not seem to be playing in transition maps. Found in 4.13.1. Reproduced in 4.12.5 and 4.14 Preview 1. ...