Crash when creating nested child actors

UE - Gameplay - Blueprint Compiler - Aug 18, 2020

Setting the root of the furthest child actor results in a crash after pressing compile on the blueprint. Example project: [Link Removed] ...

Android build fails with GPU Lightmass plugin enabled

UE - Platform - Mobile - Nov 5, 2020

Packaging for Android fails with the GPU Lightmass plugin enabled. A customer reported this and I was able to successfully repro it, however my callstack was different. I'm attaching my logs and cal ...

Crash saving blueprint with a Get Float Attribute node and the attribute pin is set inline

UE - Foundation - Core - May 5, 2020

REGRESSION: Does not occur in 4.24 Crash occurs when saving a blueprint that is using a Get Float Attribute node and the Attribute pin is set inline. Does not occur if the pin is connected. ...

Crash in blueprints when opening right-click menu

UE - Gameplay - Blueprint - Apr 22, 2015

Right clicking inside the event graph of a blueprint that is derived from PhysicsCollisionHandler will crash the editor CrashReporter: [Link Removed] ...

Crash Occurs When Deleting Virtual Bones that are Referenced in Post Process Anim Blueprint

OLD - Anim - Mar 22, 2018

When a post process anim Blueprint that uses a virtual bone is used in the Skeletal Mesh and the virtual bone is deleted from the skeleton, crash occurs -The Post Process Anim Blueprint is set in ...

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. ...

Adding a Blueprinted custom StaticMeshComponent to a Blueprint results in an Ensure being triggered.

UE - Gameplay - Components - Aug 24, 2015

If a Blueprint is made from a custom Blueprintable StaticMeshComponent, and that Blueprint is added as a component to another Blueprint, an Ensure is triggered. No Ensure occurs if the custom nativ ...

Crash when adding a Material Layer with a MaterialFunctionCall node to a Material Instance

UE - Graphics Features - Mar 30, 2021

Adding a Material Layer to a Material Instance that has a Material Function Call node connected to the Set Material Attributes node causes the editor to crash. I tested a Material Layer without the ...

Editing parent emitters with mesh renderer in a niagara system causes crash

UE - Niagara - Nov 9, 2021

After editing the parent emitters of a Niagara system with mesh renderer particles the engine will crash the next time the editor and system are opened.  This was tested with both engine content cub ...

Dragging more than one Texture into the Material Editor causes a crash

UE - Graphics Features - Mar 11, 2020

Importing two or more Textures into the Material Editor results in a crash. This is a regression from 4.24.3 (CL-11590370) as well. This was reported and tested in 4.25 Preview 2 (CL-12055273) and ...