Unreal Engine Issues

Adding Components via Editor Utility Widgets does not add component to Details panel

Using the Editor Utility Widget to add components to objects in UE does not appear to function as expected. I reproduced this 8/8 times in UE 5.1, 5.0, and 4.27, confirming that this is not a regres ...

Reduce the overhead of World Partition cells UObjects on GC

Users with large numbers of UObjects (500k+) that are using World Partition want to enable GC actor clustering to handle streaming levels but no performance gains are realized when enabling GC clust ...

Windows Game Input - DualSense/DualShock controllers DPad button repeat events behave unexpectedly

Disabling Cast Static Shadows on Stationary Lights causes dynamic shadows to not render

Regression: Tested in UE5/Release-5.1, this issue occurs as well. The shadows render properly for the sphere when Virtual Shadow Maps is set as the Shadow Method, as well as when Ray Traced Shadows ...

CaseIssues with Korean input in Window 11

When entering Korean in the EditableBox on Windows 11, the two Korean characters after pressing the Space key are not entered. I confirmed that it occurs in UE5.1 and UE5.2, and it does not occur i ...

Adding "Add Velocity" module to event handler stage causes ensure (ensureMsg)

Adding a module which has Required Dependencies (such as "Add Velocity") to event handler stage causes ensureMsg. > > In system /Game/NewNiagaraSystem.NewNiagaraSystem, module AddVelocity (NiagaraN ...

SingleLayerWater Material crashes when sampling SceneTexture:CustomStencil.

There is a texture mismatch between the expected texture samplers and actual texture samplers for SingleLayerWater materials that use the Material Function StencilMaskCompare. Also tested on UE5.5, ...

The ChaosCacheManager changes the bSimulatePhysics flag from the ObservedComponents and, if deleted, the change will persist, what can lead to confusion as observed physical entities will inadvertently stop simulating physics

The ChaosCacheManager (CCM) changes the bSimulatePhysics flag from the ObservedComponents and, if deleted, the change will persist, what can lead to confusion as observed physical entities will inad ...

Syncing issue when stopping and blending out a non-looping montage to an anim graph

When syncing from a non-repeating montage that is blending out to an anim graph, the anim montage is marked as a follower due to having its PrevMaker as an AnimBoundary(-1), furthermore in this case ...

Parameters show up in material instances even if they're not supposed to be exposed

In this case, I've added inputs to a material function. That material function input uses a parameter as it's default value. [image: Inline image 1] When referenced in the shader[image: Inline ima ...