CreateProxyObjectForPlayMontage does not report if cannot play

Anim - Nov 15, 2018

UPlayMontageCallbackProxy::CreateProxyObjectForPlayMontage creates a proxy object and immediately calls PlayMontage. If the montage fails to play (no mesh component, no animinstance, Montage_Play it ...

When Both AnimMontage and AnimationTrack are Playing, the Blending Results are Different from Expectation

Anim - Dec 11, 2018

When Slot animation by AnimMontage and AnimationTrack is done at the same time, the blend result differs from expectation. Probably because if AnimMontage's loop playback by EventTrack is executed, ...

Platforms that allow for configurable VOIP sample rates do not respect config values

Audio - Jan 8, 2019

Because of when GetEnumValueFromString (called by GetVoiceSampleRate) executes for certain modules at load time, the global enum master list is empty, which leads to the config value not being parsa ...

ComponentSweepMulti returning incomplete HitResults

Physics - Jan 14, 2019

ComponentSweepMulti sweeps each shape of a component, however resets OutHits at the start of a new shape, losing the prior hits, only returning the hits of the last shape swept. This is a regressio ...

Ensure on open if custom Project Setting has a reference to a Blueprint that constructs an object

Gameplay - Blueprint - Jan 16, 2019

An ensure is thrown when opening a project if a custom Project Setting has a reference to a Blueprint that constructs an object. The ensure can be found in the Callstack section below. Regression?: ...

Documentation for Geographically Accurate Sun Positioning contains Incorrect Definition for Longitude and Latitude.

Docs - Jan 28, 2019

Incorrect definitions for Latitude/Longitude in Documentation for Geographically accurate sun positioning.  https://docs.unrealengine.com/en-us/Engine/Rendering/LightingAndShadows/SunPositioner Ex ...

Light is still being generated after the sun is "set" during Geographically Accurate Sun Positioning

Engine - Content - Dec 11, 2018

While ad-hoc testing Geographically Accurate Sun Positioning, I found that I could cause the Sun to set and consequentially render from under the map. Light is still being generated even though the ...

Using more than a single break node disables fast path

Anim - Mar 7, 2019

Using more than a single break struct node in sequence (despite no break nodes performing calculations) disables fast path. Splitting structs instead does not cause this issue. ...

LOD of Texture on Static Mesh is selected incorrectly when spawned in Sub-Level loaded by Level Streaming

Rendering - Apr 9, 2019

LOD of Texture on Static Mesh is selected incorrectly when spawned in Sub-Level loaded by Level Streaming. This issue does not occur with Editor play, only with Launch or Packaging and Play. Accordi ...