LIVE: EDITOR: MATERIALS: CRASH: Setting the MipValueMode for MipLevel or MipBias to 4 or higher will crash the editor

UE - Graphics Features - Oct 14, 2014

BRANCH: MAIN CHANGELIST: 2322258 PLATFORM: Windows DESCRIPTION: When using a texture sample with the MipValueMode to MipLevel or MipBias with a value of 4 or higher will cause a crash. ...

Cannot continuously change Bone Name in SkeletalMesh Sampling Settings

UE - Anim - Jun 14, 2024

An access violation occurs in FNiagaraSkeletalMeshRegionBoneFilterDetails::HandleBoneNameComboBoxSelectionChanged() due to StringItem is nullptr. SkeletalMeshRegionCustomization.cpp void FNiagaraS ...

Self-Shadowing changes when click on and off an actor

UE - Graphics Features - Jun 19, 2015

Given a Movable Light with a Movable Mesh with enabled Self Shadow Only, the mesh will not cast inset shadows (despite this option begin forced to true according to Tooltip) unless the mesh is selec ...

Foliage instances are not included when exporting a scene to FBX

UE - World Creation - Worldbuilding Tools - Foliage - Aug 4, 2016

When exporting Foliage instances to FBX the FBX will not contain any of the foliage instances, but will include any other static or movable geometry. This is a regression. This worked in 4.11.2 but ...

ModularGameplay and other runtime plugins have wrong LoadingPhase

UE - Gameplay - Jun 30, 2022

Plugins that provide blueprint-accessible libraries generally need to be set the PreDefault LoadingPhase so they can be properly loaded before game-specific data that loads early in the Default load ...

Crash enabling Stochastic Rect Light with Ray Tracing

UE - Graphics Features - Lumen - Oct 13, 2020

Enabling Stochastic Rect Lights with Ray Tracing causes the project to crash. Reported and tested in version 4.26.0(CL 14419252). Tested and not found in version 4.25.3(CL 13942748).  ...

Crash Occurs When One Morph Target is Deleted and Another is Adjusted Afterward

UE - Graphics Features - Feb 26, 2018

Engine crashes when a morph target on an asset that has multiple morph targets is deleted and then another morph is adjusted afterwards Notes: Asset came from an older Jira where this same issue o ...

Crash When Assigning a Static Mesh to the "Sample Static Mesh" Module

UE - Niagara - Jun 28, 2018

When assigning a static mesh to the "Sample Static Mesh" module, the engine will crash as soon as you select a mesh and click "Fix Now". If the mesh already has CPU access enabled it will crash as s ...

Edits of node properties that are not stored on pins do not diff correctly

UE - Gameplay - Blueprint Editor - Oct 2, 2015

Currently details changes to the following are not noticed by the Diff tool when diffing AnimBPs:State Machines (i.e. Max transitions per frame)Transition rulesConduitsStates This also affects non- ...

Python function unreal.AssetRegistry.get_assets_by_class is broken

UE - CoreTech - Nov 21, 2022

Repro Rate: 3/3 This issue was reproduced in //UE5/Release-5.1 at CL 23058290. This is confirmed to be a regression since the errors do not occur on the previous version and is regression tested o ...