Post Process Animation Blueprint Crash When Using Blend Node

UE - Anim - Runtime - Anim Blueprints - Sep 24, 2025

When using a Blend node inside a Post Process Animation Blueprint, the editor crashes while rendering thumbnails. The crash occurs because USkeletonThumbnailRenderer attempts to draw a thumbnail wit ...

nDisplay Regression: Public header DisplayClusterViewport_OverscanSettings.h now includes internal header Math/MarginSet.h, breaking clients' code

UE - Virtual Production - nDisplay - Sep 29, 2025

On the nDisplay plugin code, CL 44773085 from August 12 introduced a new struct template TMarginSet and changed struct FDisplayClusterViewport_OverscanSettings to use it. However, the latter is defi ...

HTML5 shows up as black screen in FireFox 32-bit

UE - Platform - Mobile - Apr 16, 2015

Packaged HTML5 games are not running on FireFox 32-bit Version 37.0.1; Some projects will also provide you with a scripting error that appears when you attempt to run the game on 37.0.1 Spoke with ...

Reroute nodes do not work for Pose connections in Anim Graph

UE - Gameplay - Blueprint - Mar 5, 2015

Reroute nodes do not work for Pose connections in Anim Graph It appears to work until you recompile [Image Removed] ...

Spawn actor of class does not work in packaged game

UE - Gameplay - Blueprint - Jul 1, 2015

Spawn actor from class does not work when playing in a packaged game. ...

Opening blueprints causes editor to crash

UE - Graphics Features - Apr 1, 2015

Opening any files in folders (attached) cause editor to crash. Crash Reporter: [Link Removed] Frequency: 10/10 In user's project (available if needed), opening the project immediately crashes ...

Deleting a large number of unused variables from blueprints forces desktop to windows 7 basic mode until editor is closed

UE - Gameplay - Blueprint - Mar 30, 2015

Deleting a large number of unused variables from a blueprint forces the editor into windows 7 basic mode until the editor is closed. ...

Behavior Tree "Resume" button does not match other resume buttons in editor

UE - Gameplay - Feb 12, 2015

Resume button in Behavior Trees is a different image than the resume button in other parts of the editor. ...

IOS Certificate Validation problems with packaging

UE - Platform - Mobile - Oct 20, 2014

User unable to use their newly created Provision as they are in a Time zone east of UTC, giving them a time stamp from the "future" ...

Physical Materials Not Returning Correctly OnHit Events when using Switch on EPhysicalSurface Node

UE - Simulation - Physics - Mar 5, 2015

With an asset that has a physical material applied and generating hit events, the Switch on EPhysicalSurface node always returns the Default Surface Physical Material. The user on the AnswerHub po ...