Unreal Engine Issues

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

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

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 ...

Callback set with AddNativeStateEntryBinding() stops working after ABP compile during PIE

After compiling the Animation Blueprint (ABP) during Play In Editor (PIE), the callback registered with UAnimInstance::AddNativeStateEntryBinding() in NativeInitializeAnimation() stops functioning a ...

Native gameplay tags in plugins are cleared when reading config files

When references to Gameplay Tags are loaded, it checks to see if they are already registered. If they are not already registered, it will notice it is invalid and may print a warning depending on th ...

Level Instances appear at the origin on Linux cooks

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

Actors with Absolute Location/Rotation attached to editor only actors do not position correctly in World Partition

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

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

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 ...

Layered Control Rigs + Skeletal Mesh with Animation Blueprint in the Sequencer

When a layered control rig track is added to the sequencer the character’s legs will collapse into the body of the character. Switching the layer to additive will do nothing. Trying to force the ani ...

Cook errors from Landmass plugin in 5.4