Unreal Engine Issues
Unreal Engine Issues
Animation sub instances tick twice with a post processing BP
OLD - Anim - Sep 18, 2019An animation's sub instances will tick twice per frame if a post processing BP is set. ...
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 ...
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 ...
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 ...
HLOD CalculateOverlap crashes when spheres barely overlap
UE - World Creation - Worldbuilding Tools - HLOD - Sep 16, 2019The engine will crash when cluster bounds barely overlap. ...