Niagara GPU Mesh Particles Not Working In Packaged Project

UE - Niagara - Aug 22, 2018

GPU Mesh emitters will not show up in a packaged project. Found in 4.20 CL# 4302132 and 4.21 CL# 4307852 ...

Set actor hidden in game does not apply to widget components set to Screen Space

UE - Editor - UI Systems - Jan 27, 2016

If the user sets an actor to hidden in game and there is a widget component set to screen space then the screen space widget will not been hidden. ...

Stationary Light Overlap View Mode Broken By Forward Renderer

UE - Graphics Features - Apr 13, 2017

The stationary light overlap view mode doesn't work properly in the forward renderer. Everything gets a red highlight making it impossible to see overlap. Images attached. ...

Is Over Hit Test Visible Widget does not return false when over a widget that is not hit test visible

UE - Editor - UI Systems - Mar 4, 2019

The Is Over Hit Test Visible Widget node does not return false when over a widget that is not hit test visible ...

Crash with Assertion failed shortly after launching packaged First Person CPP project on Oculus Mobile - Referencing SparseArray.h:86/87

UE - Platform - XR - Apr 30, 2019

The following assertion throws after the project crashes when playing on the device: Assertion failed: Index < GetMaxIndex() [File:D:/P4Workspaces/Switch_3/Engine/Source/Runtime/Core/Public/Contai ...

Inconsistent rendering between left and right eye when r.SeparateTranslucencyScreenPercentage is less than 100

UE - Platform - XR - Feb 21, 2017

Rendering appears to be inconsistent between the left and right eye of the oculus when setting r.SeparateTranslucencyScreenPercentage to a number below 100 (99 in this example) ...

Previewing Node in Material Editor Produces Unexpected Output with DX12

UE - Graphics Features - May 16, 2018

Per Licensee: Since we switched to DX12 we started to see strange behavior in material previews. I was able to reproduce the problem in UE 4.19 vanilla as well. We usually have to force recompilin ...

Contact Offset no longer appears to have an effect

UE - Simulation - Physics - Jan 15, 2019

When modifying the contact offset in a project it appears to have no effect. The setting that worked in a previous engine version (4.19) now collide in the same way as the default settings. ...

Crash: Nativized AnimBP instances can assert on load in a cooked build with async loading enabled.

UE - Gameplay - Blueprint - May 9, 2019

This is a regression that was introduced alongside a memory optimization for Animation Blueprint assets. Suggested workarounds:Disable "Async Loading Thread Enabled" ORDisable Blueprint nativizati ...

Multi-line text is not an option for arrays of text

Tools - Sep 20, 2017

When using the Multi-line option for a text variable, this option is no longer present when the variable becomes an array. It is unsure if this is intended behavior or not. This issue does not appea ...