Unreal Engine Issues

Foliage unbuilt instances have incorrect LOD

From licensee: Foliage instances are not drawn correctly/the wrong LOD is selected while painting in FoliageMode. This is more apparent when setting InstanceSettings>CullDistance>Max to a value != ...

Draw Debug String doesn't render text outside of play

When calling the Draw Debug String node outside of play, no text is visible in the viewport. This occurs with Editor Callable functions on placed blueprints as well as from Editor Utility Widgets. ...

UV issues using Procedural meshes

From licensee: We build our procedural meshes using C++ and we checked our UVs used to fill the UV array before applying the CreateMeshSection method. The UVs seems to be correct however the result ...

Improve performance when creating multiple Data Layer Instances

Every time AWorldDataLayers::CreateDataLayer is called,  UDataLayerManager::ResolveActorDescContainersDataLayers() gets called and iterates on all actordescs of the world.When creating multiple data l ...

Swapping the C++ Root Component from a Child BP class, pressing Save, Compile, but not Saving afterwards, will leave the Root Component in a locked state, meaning the it cannot be viewed or edited in the Details Panel after an Editor restart

Swapping the C++ Root Component from a Child BP class, pressing Save, Compile, but not Saving afterwards, will leave the Root Component in a locked state, meaning the it cannot be viewed or edited i ...

Issue with PLA Editing inside another PLA causes Z-Fighting or Mesh Disappearance.

When editing a Packed Level Actor (PLA) that is inside another PLA, z-fighting or mesh disappearance will occur. More specifically, it is seen when duplicating a mesh inside the PLA, upon saving the P ...

Volumetric Lightmaps Disappear After Building Levels

Editor Crash When Using FRequestPlaySessionParams GlobalMapOverride To Load World Partition Map

The licensee has been using a custom CVAR to launch directly into PIE for a world partition level. Since updating to 5.4, this now causes an editor crash. The main factor appears to be whether or no ...

When trying to snap selected foliage down to the ground using end key, if the mesh has collision complexity to "Use Simple Collision As Complex" and foliage collision preset to "BlockAll", the foliage selected will not move.

Using the "end" key on foliage selected with collision preset to "BlockAll" and the mesh collision complexity set to "Use simple Collision as Complex", the foliage will not move. This is wrong becau ...

GeometryCollection's root proxy doesn't support complex tracing

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