Blueprint enum-to-string node returning inconsistent results across platforms

Gameplay - Mar 5, 2020

Converting a C++ enum to a string should be a consistent result, however when running in the editor it returns the display-name value instead of the index value. This prevents C++ UENUMs from being ...

Instanced EditInlineNew Objects not correctly propagating to children and placed level instances

Gameplay - Mar 3, 2020

Instanced EditInlineNew objects are kind of broken right now and hard to make full use of. In addition to the notes above, there are some cases where you can't even assign new values into the base c ...

Particles are only activated when the camera moves back

Rendering - Cascade - Mar 3, 2020

UParticleSystemComponent :: CanConsiderInvisible () Particles determined to be invisible by MaxSecondsBeforeInactive seem to be activated only when the camera moves back. Is this correct behavior? ...

CollisionPreset of ComplexCollisionMesh is overrided by Drawing mesh settings

Physics - Mar 3, 2020

When setting ComplexCollisionMesh of StaticMesh asset, CollisionPreset that is actually applied becomes the setting on the drawing mesh side. It seems that ComplexCollisionMesh is not considered in ...

Crash when using ComplexCollisionMesh and the ComplexCollisionMesh has more material index than drawing mesh's material index

Physics - Mar 2, 2020

When using ComplexCollisionMesh of StaticMesh asset, at the time of hit, the physical material refers to the material of the drawing mesh side using the material index of the collision mesh side. T ...

Depth of fields behavior when Focus Method is None

Tools - Sequencer - Feb 25, 2020

Licensee reports that Depth of fields behavior when Focus Method is None is incorrect. If None, override flag is disabled and default value seems to be used.[Image Removed] Attached sample projec ...

Unable to Import Alembic Files in UE4

Tools - Import - Feb 25, 2020

We have written a plugin for UE4 that allows Unreal users to import and set up Megascans assets into Unreal Engine. Recently we added Alembic files to our assets and also updated all our plugins to ...

Foliage's Landscape Layers are not reflected when Landscape is rotated

Tools - Landscape - Feb 19, 2020

This problem seems to occur because Rotation is not taken into account when calculating Weight. I have confirmed that it can be solved by calculating the rotation as follows.float ULandscapeCompone ...

Complex collision mesh might lose its collision in the editor

Tools - Feb 18, 2020

This is affected by loading order. In the case, display mesh was loaded firstly and try to build collision mesh form complex collision mesh asset. But the collision mesh didn't finished to make Ren ...

Modified a mesh used as complex collision mesh does not affect the collision in the editor

Tools - Feb 17, 2020

When a user changes any properties (for calling PostEditChangeProperty ) in parent static mesh or restarting the editor, the modified mesh is applied correctly. how to reproduce: ComplexCM.mp4[I ...