SampleCurve And SampleColorCurve Nodes Missing In Niagara Module Scripts

UE - Niagara - Mar 19, 2020

In a Niagara Module Script the "Sample Curve" and "Sample Color Curve" nodes cannot be found. They were findable in 4.24 prior to 4.24.3. This seems related to this ticket. Found in 4.24.3 CL#11590 ...

FRotator::SetClosestToMe(FRotator) Doesn't Set The Correct Value

UE - Foundation - Core - Dec 10, 2019

FRotator::SetClosestToMe(FRotator) doesn't set the correct value. Attached are files with the demonstrative code. Found in 4.23.1 CL#9631420 Reproduced in 4.24 Preview 4 CL#10570792, 4.25 CL#10520 ...

Editing values in ReverbMasterSubmixEffect causes crash

UE - Audio - Nov 7, 2019

Adding and removing Submixes at runtime, then editing the preset causes the editor to crash. Tested in 4.22.3 (CL - 7053647), 4.23.1 (CL - 9631420), 4.24 (CL - 1050688), 4.25 (CL - 10069288) ...

Ribbons Don't Follow Their Source Particles When Scaling

UE - Niagara - Mar 23, 2020

When Ribbon Data in a particles system that is following is scaled in an instance the ribbons scale appropriately, but they don't follow updated location of their source particles. See the attached ...

Source Won't Build - UnrealInsightsCLI.cpp References Missing Header

UE - Foundation - Core - May 11, 2020

Line 9 in https://github.com/EpicGames/UnrealEngine/blob/4.25/Engine/Source/Programs/UnrealInsightsCLI/Private/UnrealInsightsCLI.cpp is '#include "TraceServices/SessionService.h" which used to be lo ...

Applying Reverb does not work in Audio Volume

UE - Audio - Oct 29, 2019

In current and future versions of the engine, the reverb does not work as intended in the Audio Volume Tested in 4.22.3 (CL - 7043647), 4.23.1 (CL - 9631420), 4.24 (CL - 9846303), 4.25 (CL - 98464 ...

Oculus controllers are hidden in Collab VR template

UE - Platform - XR - Dec 2, 2019

Oculus Rift motion controllers aren't visible and don't respond to button input from the controllers in Collab VR. Found in 4.23.1 CL#9631420 Reproduced in 4.24 Preview 4 CL#10387632, 4.25 Main CL# ...

Hidden Shadows Aren't Rendered When Raytracing Is Enabled

UE - Graphics Features - Lumen - Mar 13, 2020

Hidden shadows aren't rendered when ray tracing is enabled. Found in 4.25 Preview 2 CL#12055273 Reproduced in 4.23.1 CL#9631420, 4.24.3 CL#11590370, 4.26 Main CL#12123513 ...

Gameplay Tag Query Variables Don't Retain Custom Default Values in Custom Structs

UE - Gameplay - Dec 4, 2019

Gameplay Tag Query variables in custom structs created via the content browser do not retain custom default values. Found in 4.23.1 CL# 9631420 Reproduced in 4.24 Preview 4 CL3# 10387632, 4.25 Main ...

Shadows are cast by meshes that have "Self Shadow Only" enabled while "Ray Tracing" is enabled with DX12

UE - Graphics Features - Lumen - Nov 6, 2019

Meshes that have "Self Shadow Only" enabled are still casting shadows if ray tracing is enabled with DX12. Found in 4.23.1 CL#9631420 Reproduced in 4.22.3 CL#7053642, 4.24 CL#10053396, 4.25 Main CL ...