SpiralBlur-SceneTexture Does Not Compile If Raytracing Enabled

UE - Graphics Features - Lumen - Jul 22, 2019

The material function SpiralBlur-SceneTexture, does not compile in DX12 mode. Found in 4.22 CL# 7053642, 4.23 CL# 7321677, 4.24 CL #7474192 ...

Particles can not be displayed once they disappear in ParticleLOD

UE - Niagara - Jul 22, 2019

I have attached a project to reproduce. [Link Removed] The problem is that if there are multiple emitters It seems to reproduce when all Emitter is Disable. It works well if there is one Enable. [ ...

A Niagara system will only use one spawn rate curve when it has more than one emitter with different spawn rate curves

UE - Niagara - Jul 19, 2019

Systems that have more than one emitter that both have unique spawn rate curves will only used the most recently added emitter's spawn rate curve for all emitters. ...

RestrictedToClasses UCLASS Meta expects space delimiters but documentation shows comma delimiters

UE - Gameplay - Jul 19, 2019

The documentation: https://docs.unrealengine.com/en-US/Programming/UnrealArchitecture/Reference/Metadata/index.html shows the RestrictedToClasses meta syntax as being RestrictedToClasses="Class1, C ...

[CrashReport] UE4Editor-AnimationBlueprintEditor!FAnimGraphConnectionDrawingPolicy::BuildExecutionRoadmap() [AnimGraphConnectionDrawingPolicy.cpp:27]

OLD - Anim - Jul 17, 2019

Generated from CrashReporter Similar to [Link Removed] but in UE4Editor-AnimationBlueprintEditor ...

Texture Object Parameter Being Read Even If It Is Not Used In a Material

UE - Graphics Features - Jul 17, 2019

Texture Object Parameter Being Read Even If It Is Not Used In a Material.  Working as expected in 4.21 CL# 4753647 Found in 4.22 CL# 7053642, 4.23 Preview 2 CL# 7321677, 4.24 CL# 7329126 This is ...

Textures are Blurry when Scaling an Actor While r.Streaming.DropMips is Set to 2

UE - Graphics Features - Jul 17, 2019

If a BP actor containing textured static meshes starts with a small transform scale, when scaled up, the texture streamer fails to load in the higher mips and the texture looks blurry. Working as e ...

Using xcode-select to switch between Xcode 10 and Xcode 11 beta can cause Xcode 11 to be unrecognized by the editor

UE - Platform - Apple - Jul 16, 2019

After switching from Xcode 11.0 Beta 3 (11M362v) to Xcode 10 (10A255) and then back to Xcode 11, the editor no longer recognized that Xcode was installed on my machine when trying to use Xcode 11 as ...

Niagara Memory Leak in vertex buffer when increasing particle spawn rate on CPU sims

UE - Niagara - Jul 16, 2019

Increasing the spawn rate of a CPU particle sim will cause a memory leak in the vertex buffer.  ...

Custom Render Passes in Sequencer and High Res Screenshots are rendered incorrectly in HDR with DX12 and r.PostProcessingColorFormat=1

UE - Graphics Features - Jul 16, 2019

Buffer visualizations rendered in HDR through the high res screenshot tool or sequencer using DX12 and r.postprocessingcolorformat 1 will result in renders that only capture the first row of pixels. ...