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 ...

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 ...

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 ...

Geometry collection components report incorrect mass for character movement components

A player cannot move heavier GC objects even if we have a valid setup due to the GC not reporting the correct mass.  ...

Retargeting Retain Additive Flags option keep reference to the original sequence in additive settings

Asset Details > Additive Settings when retargeting are copied over but reference to the animation sequence that was used in the original is kept. Batch retargeting process correctly identifies that ...

Spline Component Spline Generation Panel does not trigger Construction Script

From Licensee Spline generation tool no longer triggers the construction script We recently updated from Unreal 5.3 to 5.4 and our level designers are having an issue with the spline mesh generatio ...

Check for sRGB on Normal and Mask samplers instead checks against Greyscale and Alpha samplers

In FMaterialInstanceEditor::RefreshOnScreenMessages, there is a check for sRGB on Normal and Mask samplers. The issue is the check uses a TextureCompressionSettings enum cast to EMaterialSamplerTyp ...