Unreal Engine Issues
Unreal Engine Issues
The "Make Static Mesh" feature for skeletal meshes does not account for disabled mesh sections.
UE - Anim - Rigging - Skeletal Editor - Dec 11, 2024The licensee was not able to make static meshes with the correctly disabled sections from a skeletal mesh in the current implementation of the "Make Static Mesh" button in the editor. They have prov ...
Nanite mesh not culled when owner is editor only actor in gameview
UE - Rendering - Graphics Features - Nanite - Mar 29, 2024Nanite mesh is not culled because "DrawInGame" value in the primitive uniform buffer is always 1. Can be fixed with below modification:// in FPrimitiveSceneProxy::FPrimitiveSceneProxy DrawInGa ...
UInstancedStaticMeshComponent::AddInstances does not appear to be adding per-instance previous transforms when enabled
UE - Rendering - Graphics Features - Dec 3, 2025Instanced static mesh component does not add instances transforms to PerInstancePrevTransform array when using UInstancedStaticMeshComponent::AddInstances. Additionally Updating the transforms of th ...
Building lighting fails on Linux
UE - Platform - Linux - Jan 15, 2016When building lighting on Linux, the build process fails because UnrealLightmass cannot find the library libUnrealLightmass-Serialization.so. Reported using Mint Cinnamon 17.3 Internal machine uses ...
Translating bones in Persona is not affected by Snap Options
OLD - Anim - Dec 14, 2016In Persona, moving a socket around is not affected by any changes to snapping (scale or size). Rotation is affected however. This is similar to [Link Removed], but according to James Golding there ...
Deactivated Skeletal Mesh Component Plays Animation
UE - Gameplay - Components - Aug 15, 2017Animations on skeletal mesh components set to use an animation asset still play even when the component is deactivated. Found: 4.17 Reproduced: 4.16.3 & 4.18 Main CL# 3585944 ...
Unable to summon Preview Scene Settings from Viewport menu
OLD - Anim - Sep 15, 2017REGRESSION: Yes, does not occur in 4.17.2 User is not able to summon Preview Scene Settings from the Viewport Menu. Still works if the user selects it from the Window > Preview Scene Settings opti ...
Crash closing Parent and Child blueprint after renaming variable
UE - Gameplay - Blueprint - Oct 4, 2017REGRESSION Uncertain, was not able to repro in 4.17 with these steps. But I also can't repro with another version of QAGame in Binary editor. Crash occurs when the user closes a parent and child b ...
Scene Capture 2D Invisible When Mobile MSAA Enabled
UE - Platform - Mobile - Oct 11, 2017UDN Licensee (UE4.16) changed rendering settings from MSAA "none" to MSAA x4, resulting in Scene Capture 2D not showing up in mobile preview mode. I have reproduced same results in 4.17 and 4.18. ...
Navmesh does not update when undoing the scaling of Navmesh Bounds Volume
UE - AI - Oct 10, 2017REGRESSION: Yes, does not occur in 4.17.2 Navmesh does not automatically update when the user undoes the scaling of a nav mesh bounds volume. This issue occurs with both changing the scale in the ...