Unreal Engine Issues

Merge Actors Merge Materials Missing Visibility Collision

AMD PSO creation causes hang in SceneCapture2D with Nanite + ShowOnly primitives

AMD RX 6800 XT driver appears to hang (or take a very long time) in the PSO creation of the FInstanceCullVSM_CS shader when using Nanite primitive filtering NOTES:Issue can be worked around by addi ...

Geometry with Static Shadow Invalidation Behaviour being written into invalidated VSM Pages

Geometry that has its "Shadow Cache Invalidation Behavior" set to "Static" will still draw in the dynamic shadow cache when it is experiencing WPO ...

Ortho near plane clips geometry in Editor Top view

When the viewport is in Top (ortho) Lit mode the near plane clips through geometry as you zoom the view in and out. ...

Message to rebuild lights does not display after static mesh position has changed

In a static lighting environment, moving static objects no longer marks the built lighting as invalid. This prevents the on-screen warning from appearing. Regression introduced in CL: 25964466 on / ...

NPC - When an NiagaraParameterCollection asset is duplicated or when its namespace is changed, any existing parameters get incorrectly duplicated/renamed with the addition of the namespace prefix

When an NPC asset is duplicated, the ne wasset gets incorrectly duplicated parameters: one set with the correct names, and one set with the original namespace prefix embedded into the names. These i ...

Substrate SSR reflections are black

Substrate Materials do not use Screen-Space reflections. Instead, they do not have any reflections (indirect specular) on the surface. ...

FName no longer equals FName_None when constructed with a trailing underscore and digits in range of 1-9

When an FName is created with a trailing underscore and any number of digits in the range of 1-9 the trailing digits are used as the internal number value for the FName lookup. This results in the F ...

Bake Pose is not applied correctly when using LODSettings asset

The Bake Pose setting does not work when using a SkeletalMesh LODSettings asset. After the change in CL22878911, the BasePose in the LODSettings asset is no longer copied to the BakePose in the skel ...

Translucent Materials do not work well with Depth of Field

Depth of Field do not work well when using a translucent material, even if the material has no opacity set. Image attached as reference. Light brown colored mesh is translucentGray mesh is opaque ...