Curl Noise values on water body actors causes the shore to appear broken

UE - LD & Modeling - Terrain - Water - Oct 29, 2020

Water is new so I marked this not a regression This is worse in a Lake and River actors, Ocean kinda looks okay but also might need to be looked into ...

Rotate about axis material node can cause Z-fighting in Niagara mesh particles

UE - Rendering - Niagara - Oct 21, 2020

The rotate about axis material node appears to cause z-fighting in mesh particles if they are scaled in the simulation. ...

iOS/TVos/Mac Compilation Error - Argument List Too Long

UE - Platform - Mobile - Oct 8, 2020

Compilations are failing on iOS, tvOS and Mac due to the following clang error: clang: error: unable to exectute command: posix_spawn failed: Argument list too long ...

Landscape Paint Layers will not scroll to the end when using mouse wheel

UE - LD & Modeling - Terrain - Landscape - Sep 28, 2020

In a normal detail panel, each element has its own SDetailSingleItemRow and are mostly uniformly sized with some exceptions of having a few bigger rows (i.e. asset pickers). However, these layers ar ...

Material Billboard Component doesn't respect screen size when taking into account Camera FOV and AR

UE - Platform - XR - Aug 27, 2020

Material Billboard Component skews when Camera's Aspect Ratio is changed, and varies in size with changes to the Camera's Field Of View. Reported in version 4.25.3 (CL-13942748) and tested in versi ...

Landscape Spline collision displays incorrectly

UE - LD & Modeling - Terrain - Landscape - Aug 27, 2020

Landscape splines are displaying their collision incorrectly. The collision is projected off the spline however this issue is purely visual. The collision itself still works as expected. This was t ...

[Feature Request] Add support for distance field shadows on Single Layer Water shading model

UE - LD & Modeling - Terrain - Water - Aug 5, 2020

Add support for distance field shadows on Single Layer Water shading model (report of it missing in Fortnite here: https://jira.it.epicgames.net/browse/FORT-217878) ...

Current animation asset is lost in animation preview when a post process anim BP is compiled

UE - Anim - Runtime - Anim Blueprints - Aug 3, 2020

UDebugSkelMeshComponent and PreviewInstance are lost current animation asset. There are 2 ways to fix below void UDebugSkelMeshComponent::InitAnim(bool bForceReinit) { // If we already have Pre ...

Launching a specific UDN Project with Vulkan Support enabled crashes launching on Quest

UE - Platform - XR - Jul 30, 2020

When attempting to run the attached Project submitted from UDN, it will crash on launch. If Vulkan support is disabled, the Project will run as expected on Quest. This issue DOES NOT appear to repro ...

Replication issues & warnings if a client hitches while the server seamless travels

UE - Networking - Jul 28, 2020

If a client hitches while a server performs a seamless travel, the client will get multiple lines of logspam of these warnings:Warning: UActorChannel::ProcessBunch: SerializeNewActor failed to find/ ...