Editing an instanced variable that is nested in two other instanced variables causes a crash

UE - Gameplay - Blueprint - Jul 2, 2015

If a user edits a instanced variable which is nested inside two other instanced variables in blueprint editor, a crash will occur ...

Crash changing variable type from Object Reference to Actor Soft Object Reference

UE - Gameplay - Blueprint - Oct 3, 2017

REGRESSION: No, this occurs as far back as 4.16. Crash occurs when the user changes a variable type from Object Reference to Actor Soft Object Reference. ...

SpeedTree Material No Longer Compiles With Texture Coordinate Node In BaseColor

UE - Graphics Features - Jan 25, 2017

If you open a material with the speedtree node plugged into WPO and then use a texture coordinate(index of 2) in base color the material will no longer compile properly. The full error is "Error [ ...

Material Parameters aren't unique if the Material Function has been duplicated

UE - Graphics Features - Jul 31, 2017

Material Parameters aren't unique if the Material Functions has been duplicated, When the parameters are enabled in a Material Instance, one will be disabled on Material Instance close. This is a r ...

Crash copying a Static Meshes primitive collision member and pasting it on another element

Tools - Jul 24, 2017

Crash copying a Static Meshes primitive collision member and pasting it on another element. The pasted element seems to need at least 2 members for the crash to occur. User description: Editor Cr ...

Text Render Component not updating when Text is changed in Blueprints

UE - Gameplay - Blueprint - Sep 21, 2015

When adding a Text Render COmponent to an Actor Blueprint, updating the text in the Text Field will not update the Rendered Text until the Blueprint is Closed and Reopened. This is a regression fro ...

Case Child Actor Component validation error when set as editor-only

UE - Framework - Components - Jun 4, 2024

When a blueprint actor with a child actor component is placed in a level, and the child actor component is set as editor-only, the output log will show a validation error when the actor is moved and ...

Calling Open Level causes editor to freeze or crash

UE - Gameplay - Jul 14, 2015

If the Open Level node is called on a persistent level Whttp://crashreporter/Crashes/Show/1838504 then the editor will freeze is the call is made through code or crash if done through blueprints. C ...

Copy/paste of multiple components in attachment hierarchy distorts transform values

OLD - Enterprise - May 18, 2017

When multiple components in an attachment hierarchy are copy and paste, the result is the new group has a distorted shape from the original. This issue may be related to [Link Removed] and is affec ...

Engine crashed during Animation Blueprint compilation with Blend Multi node

OLD - Anim - Nov 30, 2018

Engine crashes if Blend Multi node output is connected to final transition node, and no input is connected to Blend Multi node input parameters. [Image Removed] ...