Event Dispatcher name changes do not propagate to related nodes until the editor is restarted

UE - Gameplay - Blueprint - Mar 17, 2015

Event Dispatcher name changes do not propagate to related nodes until the editor is restarted. This does not appear to affect functionality in 4.7.2. In Main, the nodes must be refreshed to restore ...

Creating animation assets from right-clicking skel mesh results in showing incorrect mesh in Persona

OLD - Anim - Dec 23, 2016

REGRESSION No. When a skeleton has multiple skel meshes assigned to it, if the user creates a animation asset (animation blueprint, composite, montage) by right-clicking the skeletal mesh and selec ...

[CrashReport] Game mode crash in UE4Game_Win32_Shipping!TStaticStateRHI

UE - Graphics Features - Feb 21, 2017

This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below.Error message: Access violation - code c0000005 (fi ...

References stored in deleted UProperties stick around in a Blueprint Class

UE - Gameplay - Blueprint - Apr 25, 2017

If a UProperty that stores a reference to an asset is deleted, the reference to that asset lingers in any Blueprints that had a reference stored in that UProperty. This can lead to issues when the r ...

Animation Blueprint Classes are Uncastable

OLD - Anim - Aug 13, 2019

It appears that the Anim Instance class is no longer accessible. As a result, no animation blueprints made are accessible via blueprints - regardless of whether or not the skeletal mesh actually use ...

FBX imported skeletal mesh has incorrect axis directions

UE - Editor - Content Pipeline - Import and Export - Aug 20, 2019

The axis the FBX is imported with has been inversed from prior versions. See attached screenshots. This causes issues specifically with vehicles, where the movement is happening into the forward dir ...

Rect lights cause visual noise on the light rendered when using raytracing

UE - Graphics Features - Lumen - Nov 12, 2019

Rect lights cause visual noise on the light rendered when using raytracing. It is easier to see when you get rid of all other light sources in the scene. I have attached an example project. This se ...

TMap Contains Node Returns False Incorrectly Under Specific Circumstances

Tools - Nov 20, 2019

The Contains node doesn't return an existing row from a data table under specific circumstances. This didn't occur when the struct the data table is based on was made via blueprints or there are mor ...

Changing "Coordinate Light Map Index" When "Generate Lightmap UVs" Is Enabled In A Static Mesh Crashes Engine

Tools - Dec 31, 2019

When altering "Coordinate Light Map Index" in a static mesh when "Generate Lightmap UVs" is enabled in LOD 0 the engine will crash or "Coordinate Light Map Index" will be set to 0. A demonstration ...

UMG Crashes When Using "Create Dynamic Material Instance" With An Optional Name Twice

UE - Editor - UI Systems - Feb 17, 2020

When using an Optional Name parameter in Create Dynamic Material Instance while using the same Optional Name twice in UMG the engine crashes. I have tested this in a actor blueprint that applies th ...