Unreal Engine Issues

LODs with screen size 0 in legacy assets are incorrectly converted to 1 on load

When loading a mesh asset (static or skeletal) created in an old version of Unreal (e.g. 4.10), any LOD whose LOD screen size was originally set to 0, is converted to 1. This causes LODs that would ...

Double clicking on Interface Function in Blueprint Graph does not take you to the function implementation.

When double-clicking on an interface function call within a blueprint, the expected behaviour is that it will take you to the implementation of this function. However, it currently does nothing. ...

[AI] Crash while loading navmesh with async static mesh compilation enabled

I tried 10+ times but am unable to get this to reproduce locally. Licensee reports that this is a rare crash for them. ...

Instanced Impostors Render Black in UE5 editor

Hair shading emits light when Lumen is enabled

This artifact does not occur when Lumen is disabled. Also, moving Roughness closer to 1 will reduce the effect. ...

HighResShot's bDumpBufferVisualizationTargets does not work on PNG output.

If the same command is executed with 4.27, multiple screenshots will be saved. ...

Only the first image of multi-source SVT can be exported.

If using BP that inherits DataAsset as Value of Map in Struct, it will be replaced with PLACEHOLDER-CLASS after restarting editor.

Crash when importing Alembic data with a large number of vertices if Merge Meshes is enabled.

Chaos : Rigid body sleeps when very small external force is applied by AddForce

When a small external force is applied to the rigid body, the VSmooth value is reset in the ResetVSmoothFromForces function. Since this function ignores the current velocity, a very small velocity ...