Mesh painting on staticmesh doesn't always apply Colors to All LODs

UE - Editor - Open File Formats - Asset Migration - Apr 18, 2022

See the video [Link Removed] ...

The Starter Contents SM_Statue exists in a bad state, leading to crashes when trying to open levels where it is referenced

UE - Rendering - Features - Ray Tracing - Feb 18, 2025

The SM_Statue exists in a bad state leading to a crash when it is loaded or anything that references it is loaded, e.g. Minimal Default level in the Starter Content. It can be deleted as a temporar ...

When changing the size of detail panel for animation state in Animation Blueprint diff tool, GetSelectedProfileName will occur crash

OLD - Anim - Jun 24, 2020

When trying to display BlendProfile property in Animation Blueprint diff tool, it will occur crash, because EditableSkeleton is null in SBlendProfilePicker::GetSelectedProfileName(). So, a followin ...

[CrashReport] UE4Editor_Engine!UAnimSequenceBase::GetAnimationPose() [animsequencebase.h:148]

OLD - Anim - Aug 22, 2017

This is an intermittent crash coming out of the 4.17.1 release. I have not been able to find any record of this occurring in 4.17.0, so it may actually be a regression with the hotfix. Users have ...

GPU Crash in Niagara Fluids template when WorldSpaceSize has a component at 0

UE - Rendering - Architecture - Niagara - Apr 26, 2024

The NiagaraFluids plugin provides several Niagara System templates to use as a starting point for the user's own Systems. The templates in category "3D Gas", such as "Grid 3D Gas Explosion", include ...

Error packaging Android after disabling Vulkan Support

UE - Platform - Mobile - Systems - Jan 3, 2023

Regression: Tested in UE5/Release-5.0, this issue does not occur and is a regression. This issue occurs when packaging for Android ASTC, ETC2, and DXT. Packaging with Support Vulkan enabled results ...

Crash editor when raytracing is enabled and enter kanji characters into TextRenderActor

UE - Rendering - Features - Ray Tracing - Apr 25, 2024

The editor crashes when entering Kanji characters into TextRenderActor with raytrace enabled. This does not happen with English text.  ...

UClass::SparseClassDataStruct null at editor-time for child blueprints until compile

UE - Framework - Blueprint - May 29, 2024

Child blueprints of a blueprint of a native actor class with sparse data can have an incorrectly null SparseClassDataStruct value, and thus fail to initialzie their SparseClassData. This affects edi ...

Editor crashes when right clicking a box collision after adding a converted static mesh in blueprint editor

UE - Gameplay - Blueprint - Sep 1, 2016

I created a cylinder with a subtractive cylinder inside of it. I also used a box BSP with a subtractive box inside of it and got the crash to repro. I tried with a sphere BSP twice and didn't get ...