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 ...

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. ...

Editor Preference settings get wrongly saved within project instead of editor

Tools - Jul 23, 2018

Various settings within the Editor Preferences window get saved within the project instead of the Editor. If someone were to heavily modify their Editor Preferences they would have to set it up agai ...

Incorrect box collision on negatively scaled mesh

UE - Simulation - Physics - Jul 23, 2018

If you have a mesh with a rotated box in its simple collision primitives, that box won't be in the correct position if you scale the mesh by -1. This issue was reported in 4.20 (CL-4212847) and rep ...

zorder of Webbrowser in Mobile device is not same as in the PC

UE - Platform - Mobile - Jul 23, 2018

Webbrowser in Mobile devices gets most higher zorder in UMG. This is, as I belive, expected since it is running in native functions. But to meet behaviors in PC, making it to follow given zorder see ...

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. ...

GPU time is not tracked in StatFPSChart on Android

UE - Platform - Mobile - Jul 20, 2018

This issue doesn't occur on iOS using the same project. This occurred on all the devices tested, which were: Galaxy S6 (SM-G920F), v6.0, Mali T760MP8 Galaxy S7 (SM-G930V), v7.0, Adreno 530 Galaxy S ...

Update Overlaps Ignored with non-root Components

UE - Simulation - Physics - Jul 19, 2018

See [Link Removed]. ...

'Get Tangent at Distance Along Spline' returns incorrect values compared to 'Get Location and Tangent at Spline Point'

Tools - Jul 18, 2018

The "Get Tangent at Distance Along Spline" node returns incorrect tangent values compared to "Get Location and Tangent at Spline Point", where the spline point is at the same distance along the path ...

Asset values change when the Editor is out of focus when using Maya or Web Browser

Tools - Jul 18, 2018

When switching between any open software (Maya, web browser) and UE4 while Simulation is running, sometimes the values change on the asset and it starts to oscilate between <-0.6,0.6> or any other s ...