Using Fracture/Chaos Destruction with TSR as Anti-Aliasing Method generates smeared images.

UE - Simulation - Physics - Destruction - Aug 15, 2024

Using Fracture/Chaos Destruction with TSR as Anti-Aliasing Method generates smeared images whenever the debris are moving. The client pointed out that the issue might come from GeometryCollectionCom ...

Textures referenced by parent material are still loaded even if material instance overrides them

UE - Rendering Architecture - Materials - Aug 15, 2024

Currently when we load a Material Instance that overrides some texture parameter of its parent, we also load all the overridden textures of the parent. This is quite wasteful, as those textures wil ...

Level Instances appear at the origin on Linux cooks

UE - World Creation - Worldbuilding Tools - Level Instances - Aug 14, 2024

Level Instances are spawned in the origin (0,0,0) after making a packaged build in Linux ...

When level instance is in standalone mode, the actor with IsMainWorldOnly enabled is loaded into persistent level.

UE - World Creation - Worldbuilding Tools - Level Instances - Aug 14, 2024

The IsMainWorldOnly setting for Actor in LevelInstance is not reflected when LevelInstance is in Standalone mode. The setting is respected when LevelInstance is in Embedded mode. The Actor is not l ...

Anim Blueprint preview plays incorrect anim sequence after swapping sequence players

UE - Anim - Runtime - Anim Blueprints - Aug 14, 2024

It seems that the debug skeletal mesh in the anim blueprint preview can end up playing the incorrect anim sequences.  This happens when a sequence player, with the anim sequence specified via proper ...

Cook errors from Landmass plugin in 5.4

UE - Graphics Tools - Terrain - Landscape - Aug 13, 2024

Ensure when using ellipsis overflow method with very small Slate text boxes

UE - Editor - UI Systems - Slate - Aug 12, 2024

The Ellipsis overflow method on text widgets can cause an ensure to trip as a result of a render batch being sent with no indices. We could guard against this in SlateRHIRenderingPolicy by checking ...

Level Sequences can't reference actors that reside in Level Instances different from the ones they are executed from.

UE - World Creation - Worldbuilding Tools - Level Instances - Aug 10, 2024

Level Sequences can reference many actors, but the references are not solved if the actor is not in the same Level Instance as the one the Level Sequence is being played from, or the root level from ...