Foliage cannot be selected after deleting a single instance

UE - World Creation - Worldbuilding Tools - Foliage - Jan 12, 2023

This issue occurs in both World Partition and Non-World Partition levels, and does not seem to occur with Nanite meshes. You can still select Nanite foliage instances after placing them, but selecti ...

[Attenuation][Air Absorption] - When the listener moves across the min-distance transition point, the HPF pops

UE - Audio - Spatialization - Apr 21, 2022

A pop can be heard when crossing the Air Absorption distance range while using an HPF. From Slack: "I tracked it down to specifically the HPF – it's when the filter turns on, it jumps instantly to ...

Cracks in Nanite Tesselated Landscape

UE - Graphics Features - Nanite - May 13, 2024

Landscape component edges can become disconnected when using Nanite Tessellation at the edges of weight-blended layers. ...

NavMesh debug material color is changed by lighting with high lux values.

UE - AI - Debugging - May 23, 2024

There is a clear difference in color saturation for the nav mesh debug material between when lit by a light with low lux values (6) and when lit with high lux values (1000) and eye adaption is enabl ...

Broken TextureTest BP in Landmass plugin base content

UE - Graphics Tools - Terrain - Jul 15, 2024

It appears that the Landmass plugin has a content dependency on the BlueprintMaterialTextureNodes plugin. If the BlueprintMaterialTextureNodes is not loaded, then the blueprint "/Landmass/Landscape ...

When using 'r.VT.SplitPhysicalPoolSize 64' with nanite meshes, mesh painting does not update in real time (only updates after stroke finished), duplicates mesh painting across separate instances of a mesh, and sometimes doesn't show up in PIE.

UE - Rendering Architecture - Mar 3, 2025

When using Mesh Painting on nanite meshes in 5.5 with 'r.VT.SplitPhysicalPoolSize' set to non-zero values (e.g. 16, 64), several issues occur, such as: 1. Painting doesn't update in real time (only ...

ResavePackages commandlet (buildlighting) fails/asserts on reflection captures in non-visible sub-levels

UE - Graphics Features - May 13, 2025

When building reflection captures through the ResavePackages commandlet, it frequently triggers an ensure inside of ReflectionEnvironmentCapture.cpp. If distributed shader builds start causing prob ...

AnimNotify Issue with LevelSequencer Actor with URO

UE - Anim - Runtime - Anim Blueprints - May 19, 2025

Sometimes AnimNotify does not fire when an animation is executed under the following conditions. 1. The CharacterMesh's AnimationMode uses UseAnimationAsset 2. CharacterMesh's URO is enabled (Enable ...

Vehicle Template dashboard texts is blurred when moving

Docs - Samples - Jan 14, 2015

Descrition: When using the vehicle template the text rendered on the dashboard when using the car is blurred. This seems likely to how the text here is setup vs the hud for the 3rd person view. ...

Blueprints components setup through code cannot have the parent socket set inside the blueprint

UE - Gameplay - Blueprint - Aug 28, 2015

If a component is created/setup through code and set as the child of a mesh component, clicking the magnifying glass in the Parent Socket field does not bring up the list of mesh sockets to attach t ...