Unreal Engine Issues

[Ensure] LoadStreamingLevel and UnloadStreamingLevel are called at the same tick

There is no particular error. Developer can ignore it. ...

LayeredBlendPerBone without BlendRootMotionBasedOnRootBone exaggerates root motion

When BlendRootMotionBasedOnRootBone is false, the LayeredBlendPerBone is aggregating root motion of the child poses ontop of the base pose root motion.  (ie. if the first child pose's blend weight i ...

LayeredBlendPerBone with BlendRootMotionBasedOnRootBone set incorrectly calculates root motion weightings with more than two sources

When BlendRootMotionBasedOnRootBone is true, the code in  FAnimNode_LayeredBoneBlend::Update_AnyThread that calculates the root motion weightings for the sources doesn't appear to account for the po ...

PCG Graph on 2x2 Landscape incorrectly displays weight on paint layers

In my example picture I have "Grass" set as the target attribute area but the debug cubes are appearing on the dirt and snow as well.  This only happens when the landscape subsections are set to 2x ...

ReflectionEnvironmentAndSky(1739x747,StrataMat=Off) looks to have tile artifacts

Reflection environement looks to be suffering tile classification artifacts ...

Placing meshes on World Partition Grid causes them to load in from any distance

This is not a regression as in 5.1.1 the meshes will load and unload in their proper cell squares when entering and exiting the load distance threshold ...

Favorites category in the Palette Panel of a Widget is no longer appearing

This is not a regression tested in //UE5/Release-5.1 CL23901901 When Favoriting a Component from the Palette panel of a Widget the Favorites category appears then disappears. For the brief moment i ...

Actor attached to other actor in LevelInstance has very large bounds

Attached actors do not return to LevelInstance space at the end of LevelInstance editing, and bounds contains level instance offset location. This results in huge bounds. My workaround is:  void FL ...

Combo triggers do not fire the "Completed" event

FTabManager::PersistLayout Ensure Triggered During Docking/Undocking

An ensure (ensure( !PersistentLayout->PrimaryArea.IsValid() )[Image Removed] is firing in FTabManager::PersistLayout() sometimes when docking/undocking quickly. ...