Missing warning when dynamically simulating actor without physics enabled

Physics - Apr 18, 2019

Warnings are logged when a body without physics collision enabled is set to simulate via the editor, but not when set programmatically during play. ...

Camera FOV Above 90 Causes Landscape LODs to Flicker

Tools - Landscape - Apr 17, 2019

Camera FOV Above 90 Causes Landscape LODs to Flicker Found in 4.20 CL# 4369336, 4.21 CL# 4753647, 4.22 CL# 5660361, 4.23 CL# 5934407 ...

Physics/Animation blending does not update collision

Physics - Apr 16, 2019

Setting bodies physics blend weight, blends an animation with physics simulation but does not update the collision bodies to match as is expected, instead the collision bodies are at their fully sim ...

SpiralBlur - SceneTexture When Attached to Base Color Generates Compile Errors

Rendering - Apr 16, 2019

SpiralBlur - SceneTexture When Attached to Base Color Generates Compile Errors Found in 4.20 CL# 4369336, 4.21 CL# 4753647, 4.22 CL# 5660361, and 4.23 CL# 5908927 ...

Streaming Multiple Instances of the Same Landscape Actor All Have the Same GUID

Tools - Landscape - Apr 15, 2019

If a level contains a landscape actor, and if you stream multiple instances of that level into your map, you will get errors in the message log that the landscape actors have the same GUID. Found i ...

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 ...

Landscape: When updating Physic Material on a landscape layer info object, the physic material is not propagated correctly

Tools - Landscape - Apr 4, 2019

This will result in not getting the Phys Material when doing collision query. Info from the UDN "Having stepped through the ULandscapeLayerInfoObject::PostEditChangeProperty I can see that the U ...

Adding an entry to arrays within Details Panels automatically collapses expanded entries

Tools - Material Editor - Apr 3, 2019

Adding an element to an array in the Material Editor automatically collapses all expanded elements in the array. I've successfully reproduced this issue with the following nodes:LandscapeGrassOutput ...

Adding a call to the parent function when executing an inherited multicast event on a client results in the events being called on the client twice

Gameplay - Blueprint - Apr 2, 2019

A user has reported that adding a Parent call to an inherited multicast function causes the event to be called twice if it is executed on a client. Regression?: No This occurred in 4.20 Link to te ...

Refraction does not display properly on Android devices

Platform - Mobile - Apr 2, 2019

A user has reported that Refraction does not affect Translucent or Masked materials at all on Android. It is also limited in how much it affects Opaque materials. Regression?: No This has been test ...