Unreal Engine Issues

Modify AVolume brush shape dirties level

Changing the brush shape of an AVolume external actor dirties the level. ...

Material functions should be able to output the same data as it can accept as inputs

Material Functions cannot output Texture Objects or Booleans. This seems to be because the Material Editor believes that the outputs are Floats, and forbid connections to inputs that take Textures ...

Subsurface Scattering Checkerboard with SceneColourFormat 3 (High Scalability) leads to a visual artefact when temporal upscaling is in use

Primarily visible at very low internal resolutions (25-33%), the SSS checkerboard with an RGB scene colour format (r.SceneColorFormat 3) causes a double-image artefact both internally and on the sil ...

NPC - When an NiagaraParameterCollection asset is duplicated or when its namespace is changed, any existing parameters get incorrectly duplicated/renamed with the addition of the namespace prefix

When an NPC asset is duplicated, the ne wasset gets incorrectly duplicated parameters: one set with the correct names, and one set with the original namespace prefix embedded into the names. These i ...

NPC - Does not get updates from Material Parameter Collection changes in the editor

When an MPC is selected as the Source Material Collection for an NPC, all of its current parameters are carried over to the NPC with their current values. After that, if parameters are added to, rem ...

Issues with global invalidation (MoviePlayer)

It was mentioned that the global invalidation should be toggled off during loading screen and subsequently restore the state after. A request was made for this dynamic behavior be part of the engin ...

Deleting an external actor without checking it out causes bad state

Changing the Global Time Dilation to a very small value and returning it to a large value (by either using the slomo console command or directly in BP) makes Physics simulating ragdolls fly off into space.

Changing the Global Time Dilation to a very small value and returning it to a large value (by either using the slomo console command or directly in BP - slomo sets TimeDilation) makes Physics simula ...

FBoneContainer::MakeMeshPoseIndex crash (out-of-bounds array)

Problems with shadows on transluscent materials

Shadows on the surface of SingleLayerWater are heavily pixelated, and don't appear to use bilinear filtering at all. Also tested on //UE5/Release-5.5, CL: 36481335 ...