Material Ambient Occlusion Does Not Work With Skylight Set to Movable

UE - Graphics Features - Jul 27, 2018

Material ambient occlusion does not work with the skylight set to movable. Setting the material to allow static lighting will fix the issue until the level is reloaded. Found in 4.19 CL# 4033788, 4 ...

Multiplayer Shootout fails to package properly

Docs - Samples - Jul 27, 2018

Attempting to package the Multiplayer Shootout example results in an error and the packaging attempt fails. The error can be found in the attached log. Regression?: No This occurred in 4.18 and 4.1 ...

Level Bounds Incorrectly Calculated If Particle System Does Not Have "Use Fixed Relative Bounding Box" Enabled

UE - Niagara - Jul 26, 2018

If "Use Relative Fixed Bounding Box" is disabled, level bounds will be incorrectly calculated. This seems to be similar to [Link Removed]. Found in 4.19 CL# 4033788, 4.20 CL# 4212847, 4.21 CL# 4233 ...

An event with Soft Class Reference as an input that is not set causes package to fail with Nativization

UE - Gameplay - Blueprint - Jul 25, 2018

Having a custom event with an empty Soft Class Reference as an input causes packaging to fail if nativization is enabled as the event nativizes with a const TSoftClassPtr<>& and the compiler cannot ...

Renaming or Moving a Map with a Landscape in it results in an error and fails to save map

UE - LD & Modeling - Terrain - Landscape - Jul 25, 2018

When renaming or moving a map with a landscape in it this will fail and an error prompt will appear. ...

Player/Visibility Collision Doesn't Work with InstancedStaticMesh

UE - Simulation - Physics - Jul 24, 2018

Player/Visibility Collision doesn't work with InstancedStaticMesh or HierarchiInstancedStaticMesh components.  Found in 4.19 CL# 4033788, 4.20 CL# 4212847, 4.21 CL# 4221482 ...

No Dynamic Shadows on Translucent Materials in iOS Preview

UE - Platform - Mobile - Jul 23, 2018

There are no dynamic shadows on translucent materials in the "iOS Preview" for the preview rendering level. Working as intended in 4.16 CL# 3561208, 4.17 CL# 3658906, and 4.18 CL# 3832480. Found i ...

NaN in eye adaptation

UE - Graphics Features - Jul 23, 2018

What happens is eye adaptation may sample outside view rect, and end up with NaN in eye adaptation buffer, that effectively stays there forever, generating black screen. ...

Created incorrectly Default Track when Emitter's toggle track set to default track in Level sequencer settings

UE - Anim - Sequencer - Jul 23, 2018

Licensee seems to add a Toggle track by default when adding ParticleSystem to the sequencer.Correct toggle track image.[Link Removed] ...

Collision change is not replicated to clients when server makes change to the scale of a mesh

UE - Networking - Jul 20, 2018

When the scale of a mesh is changed on the Server, the collision change of that mesh is not replicated properly to clients, resulting in the collision being different between the server and client. ...