Particle Collision Fails After Passing Through Trigger Volume (Actor Collision)

UE - Graphics Features - Apr 7, 2017

When a particle with actor collision passes through a trigger volume it won't collide with geometry for a moment. That is why in the test it will pass through the platform but then collide with the ...

Using the Replace References Tool on Foliage Types producing Unexpected Results

Tools - Apr 6, 2017

A licensee is reporting some unexpected behavior when attempting to replace references on Foliage Types already painted in the world. What happens after the references have been replaced, are the n ...

Inaccurate updates to root widget visibility binding

UE - Editor - UI Systems - Apr 6, 2017

Inaccurate updates to root widget visibility binding, so far in my testing, this does not affect the functionality of the binding. Regression: affects 4.13.2, 4.14.3, 4.15.1 binary versions ...

Plugins do not work on Mac if they are added to a project via a symlink

UE - Platform - Apple - Apr 5, 2017

The Editor on Mac does not recognize plugins that are added to a code project via symlink (the plugin code is located somewhere other than in the project's Plugins folder). Xcode properly recognizes ...

ChildActorComponent requires lighting to be rebuilt each time level is opened

UE - Gameplay - Apr 1, 2017

I was able to reproduce the loss of cached lighting data on latest, however I did not hit the code that emits the warning message as noted in the thread. ...

Particle Bounds Don't Update Correctly After Moving Particle Component Via BP

UE - Graphics Features - Mar 30, 2017

It appears that particle components don't update their bounds correctly when they are moved in a scene. If a particle emitter isn't currently visible at the start of the game it will remain culled. ...

High Quality Lights Do Not Move With Local Space Particles Correctly

UE - Niagara - Mar 29, 2017

High quality particle lights won't behave as expected under these conditions.A particle system component has its relative location offset in blueprintThe particle system is using local spaceThe ligh ...

Crash When Using Kill Box/Kill Height With Ribbon Emitter

UE - Niagara - Mar 29, 2017

Ribbon type particles seem to crash the engine if they enter a killbox. This reproduces 8/10 times on the first attempt, you may need to play with the kill box placement (left corner and right corne ...

High GPU Memory Consumption when Moving an actor that contains a SceneCapture2D

UE - Graphics Features - Mar 29, 2017

When using a SceneCapture2D within blueprints (as a component or actor blueprint) and moving the blueprint around while placed in the world (Capture Every Frame and Capture on Move enabled). The mem ...

Curve name cannot be changed when using FRuntimeCurveLinearColor

UE - Anim - Sequencer - Mar 28, 2017

When a custom data asset class have a FRuntimeCurveLinearColor defined variable, the curve name in the editor shows as "None" and cannot be edited. Regression: No - same behavior exists in 4.14.3 B ...