Unreal Engine Issues

Volumetric Translucent Shadow does not work

Async Task nodes placed in editor only modules should not issue a warning if the proxy class is set to something in the game module

Because the proxy class is set to something within the game module, no warning is placed on the node as the outer package ends up being a valid Runtime module. This should actually be a warning in ...

Custom Primitive Data are not (fully) functional with Instanced Static Mesh components

If the ISM component is not in a blueprint, but added directly inside the level, the CPD works. If the CPD value is set from a construction script through either the Default or Transient function, i ...

Unable to write custom stencil using Draw Material To Render Target

The attached project was created in 4.27 and is rendered on render target when checked in 4.27. However, this does not reproduce in 5.0 or later. ...

Infinite loop in UAnimSequence::ExtractRootMotion when sampling backwards

When sampling root motion backwards we can hit an infinite loop in ExtractRootMotion. This happens if the initial sample time + negative delta is off the end of the animation clip. In that case FA ...

[MetaSounds]- Attemping to copy and paste inputs between graphs can cause nodes with duplicate pins

Video example: [Link Removed] Occurs in 5.2 as well as 5.2. ...

Atmosphere Sunlight shafts, artifacts, for both cascaded and virtual shadow maps.

Very large objects casting dynamic shadows on the sky atmosphere can lead to flickering (cascaded shadow maps) or square patterns (virtual shadow maps). ...

Physics Linear Velocity functions from UPrimitiveComponent always return (0,0,0) velocity

In Unreal Engine version 5.4, all Physics Linear Velocity functions inside PrimitiveComponent class are returning always a velocity of (0,0,0), even if the Body Instances are moving. This was workin ...

Params in material instance disappear when grouping is changed in material with a material layer

If there is a texture parameter within a specific material attribute stream in the base material and also within the base material layer, they must have the same parameter group otherwise the parame ...

In UE 5.5, "Open Level By Name" is not able to find the map if the map is not added to "List of maps to include in a packaged build"

The "Open Level By Name" is not able to find the map to travel when the map is not included in the "List of maps to include in a packaged build" option. This issue was not happening in UE 5.3 and UE ...