Unreal Engine Issues

Hierarchical LOD meshes are not frustum/occlusion culled

Hierarchical LOD meshes are not frustum/occlusion culled ...

XR Planar Reflections lag behind VR headset movement

Planar Reflections lag behind VR headset movement [Link Removed] Reporting that reflection captures lag because they happen before late update is applied. Includes an experimental patch that fi ...

The AABBTree spatial acceleration structure goes off-sync when physics substepping is enabled in a "low" framerate environment.

When you enable the physics substepping, if you run the console command p.Chaos.Solver.DebugDrawSpatialAccelerationStructure 1, you can see how does not follow the physical object. The user that rep ...

Parameters are not copied and when copy pasting a child actor component of an actor to another actor.

[Legacy][FBX] Animation curves are not added to the skeleton anymore

Linear interpolation occurs on constant tangent curve partially

When using UV scrolling for a flipbook-like animation in Animation Sequence, creating keys with "Constant Tangent" settings on Curve Editor does not result in an instantaneous change to the specifie ...

FNiagaraScalabilityManager incorrectly reactivates a NiagaraComponent that was deactivated by runtime user code

Context: The Niagara System is the primary tool to do visual effects inside Unreal. Niagara systems can be culled due to distance. Problem: Once a deactivated Niagara System is culled due to distan ...

Patterns On Landscape Spline Normals

On higher-density Landscapes, Landscape Splines can lead to patterned artifacts in the geometry normals. Also tested on //UE/Release-5.6, CL:45232827 ...

Constraint Binding ID is broken on attach track when subsequence asset is moved.

Moving a level sequence asset that contains actors that are being referenced as a subsequence in an attach track causes the references to drop, even though the subsequence reference is correctly upd ...

Line Attractor Strength Varies By Frame Rate

The Line Attractor node seems to render differently (have different strengths) between Cascade Viewport, Editor Level Viewport, PIE and Standalone/Launched Game In trying to capture movies for this ...