Unreal Engine Issues
Unreal Engine Issues
GenerateVisibileRayTracingMeshCommands Severely Reduces Foliage Performance Even if no RayTracing is Used
UE - Graphics Features - Lumen - Sep 18, 2019GenerateVisibileRayTracingMeshCommands Severely Reduces Foliage Performance Even if no RayTracing is Used. Found in 4.23 CL# 8386587 and 4.24 CL# 8748719 ...
Translucent material can't get valid custom depth RT on mobile platform and pc preview
UE - Platform - Mobile - Sep 18, 2019Niagara crashes with skeletal mesh sampling in GPU system in Vulkan
UE - Niagara - Sep 17, 2019Switching over to GPUCompute with Skeletal mesh surface sampling will crash in Vulkan. This does not occur with CPU sims or in D3D. When testing with D3D I would get the same Niagara compile warning ...
Crash after clicking the Build button on Linux
UE - Platform - Linux - Sep 17, 2019This crash is a regression from 4.22.3 (CL-7053642). If lighting is built by selecting "Build Lighting Only" the Editor will not crash. This does not reproduce on Windows with -vulkan. This was rep ...
GameplayAbility Blueprint's FGameplayAttribute does not retain value reference upon Compile
UE - Gameplay - Sep 17, 2019GameplayAttribute-type function arguments in BP-callable functions(I.E a Blueprint event graph) or nodes have their value reset on BP compilation ...
Virtual Texturing UDIM's Packing Incorrect
UE - Graphics Features - Sep 17, 2019In Content Browser Preview asset looks correct, but when opening and using texture. Only textures A and B are used instead of A,B, and C. Found in 4.23 CL# 8386587 and 4.24 CL# 8748719 ...
Crashes when copying an array of actors that implement an interface into an array of interface references
UE - Gameplay - Sep 17, 2019When assigning an array of actors that implement a specific interface to an array of the specific interface the engine crashes. This doesn't happen if the actor array is put through a for each loop ...
Diffing Tool showing false positive when diff'ing identical blueprints using FText input pin
UE - Editor - UI Systems - Localization - Sep 17, 2019When diffing the two blueprints, the FText values are deemed different when they are the same. A workaround has been found by doing a pure string-compare for FText inside "GraphDiffControl::ArePinsD ...
LandscapeComponent generates incorrect OccluderVertices for software occlusion
UE - LD & Modeling - Terrain - Landscape - Sep 17, 2019OccluderVertices didn't consider the subsection's transition, so the position of the OcclusderVertices are not correct. I made a fix as follows: [Image Removed] [Image Removed] ...
Root motion with SubAnimInstance can cause notifies to not trigger.
OLD - Anim - Sep 16, 2019Setting up root motion in a sub instance to RootMotionFromEverything seems to cause the sub instance to evaluate, and override the notifies of the animation that was playing, which prevents the noti ...