Cloth cannot be updated when game paused

Physics - Clothing - Jul 30, 2018

Having cloth set to be tick-able even when paused causes crashing upon pause. This prevents simulating cloth while the level is paused. ...

ShooterGame Crashes on Exit on iOS Due to Exhausting Real Time Allowance

Platform - Mobile - Jul 30, 2018

When closing ShooterGame on an iOS device, the application crashes due to "exhausting the real time allowance of 5.00 seconds". This issue is NOT a regression for //UE4/Dev-Networking as it is also ...

Set Overridden Light Map Res

Rendering - Jul 26, 2018

Set Light Map resolution via Blueprint or Python ...

ARCore Non-AR Camera inherits AR Camera rotation

Virtual Reality - Jul 25, 2018

When transitioning from AR map/pawn to Non-AR map/pawn the direction the phone is facing is applied to Non-AR pawn. Only occurring on Android/ARCore Also tested in Main CL #4229747 Tested with Pi ...

NaN in eye adaptation

Rendering - 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. ...

Incorrect box collision on negatively scaled mesh

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 ...

Update Overlaps Ignored with non-root Components

Physics - Jul 19, 2018

See UE-45023. ...

Volumetric Lightmap grid uneven placement over flat floor

Rendering - Jul 17, 2018

https://udn.unrealengine.com/questions/441682/volumetric-lightmap-grid-anomaly.html Certain maps have large gaps in Volumetric Lightmap cell density where even density is expected.   A repro map ...

Niagara Particles don't work with Instanced Stereo Rendering enabled

Rendering - Niagara - Jul 13, 2018

With Instanced Stereo enabled, CPU Niagara particles are not visible, GPU Niagara particles render in left eye only. ...

Crash upon trying to add a variable to a struct array when the details panel is locked

Tools - Jul 12, 2018

Attempting to add a new element to a struct array through the details panel when the panel is locked results in a crash. Regression?: No This issue did not occur exactly the same way in 4.18, but t ...