Hot reload of QAGame hangs the editor

UE - Audio - Oct 25, 2017

Any game module containing subclass of USoundWaveProcedural will hang after hot reload completes. QAGame defines UQASynthGenerator, which inherits USoundWaveProcedural. ...

AudioComponent generated by SpawnSoundAtLocation is can't destroy with DestroyComponent.

UE - Audio - Oct 25, 2017

AudioComponent generated by SpawnSoundAtLocation is can't destroy with DestroyComponent. When AudioComponent is generated, "AudioComponent-> bAllowAnyoneToDestroyMe" must be "True". ...

Asset manager duplicates asset types on project reopen after custom element is made

Tools - Oct 24, 2017

There is an issue where, in the Asset manager duplicates asset types on project reopen after custom elements are made for the "Primary Asset Types to Scan" array. THis issue does not appear to be a ...

Thumbnails do not update when setting Primitive Type inside Material Editor

Tools - Oct 24, 2017

In the Material Editor in UE4 selecting the Primitive Type under Thumbnail in the Details View does not update the preview material. There is no visible change or detail change that can be seen when ...

Materials with Subsurface Profile not affected by Opacity value

UE - Graphics Features - Oct 24, 2017

A material with Shading Model set to Subsurface Profile is no longer affected by Opacity value in 4.17, 4.18, and 4.19 (Main) but was previously working as intended in 4.16. This is a regression. ...

Material reroute node does not work with WorldAlignedTextures_Complex Inputs

UE - Rendering Architecture - Materials - Oct 24, 2017

There is an issue occurring with the Material reroute node as it does not work with WorldAlignedTextures_Complex when plugging into inputs. This issue appears to be similar to [Link Removed]. This i ...

Crash opening a structure with a circular reference

UE - Gameplay - Blueprint - Oct 23, 2017

Typically users are unable to select a structs that reference each other but I was able to find a way around this by manipulating the Do Not Save functionality when closing the editor. Not a regres ...

Packaged game crash occurs when inclusive blueprints with an enum that exists in multiple blueprints

UE - Gameplay - Blueprint - Oct 23, 2017

THere is an issue with a Packaged game where a crash occurs when inclusive blueprints with an enum that exists in multiple blueprints. In the callstack, it appears that a blueprint is not found, ev ...

OnParticleCollide Not Returning Velocity Values Properly

UE - Graphics Features - Oct 23, 2017

OnParticleCollide doesn't return Velocity on every collision. User description: "If you add a particle emitter, and add an Event Generator - Collision and Actor Collision Binding an event to tha ...

When Allow Sequencer Edits Only is Enabled Some Properties Do Not Revert to Original Values

UE - Anim - Sequencer - Oct 23, 2017

Certain values for the PostProcessVolume do not revert back to original values after tracks are deleted from sequencer when in Allow Sequencer Edits Only mode ...