Unreal Engine Issues

IsDataValid is not called on components inherited via the Simple Construction Script

IsDataValid is not called for components inherited via a parent's SCS. I've attached a small repro project. (4.27) ...

UVOIPTalker component attached to character has incorrect position on listen server

On a listen server, any voice chat sound that should be routed through a UVOIPTalker component doesn't appear to do so. The sound is audible regardless of where the host's player is located in relat ...

Can't set User Param Binding to override mesh in a Niagara Mesh Renderer

The User Param Binding seems to be typed as UStaticMesh, which does not allow fort UObject or UNiagaraDataInterfaceStaticMesh types to be added to its drop-down, so no user parameters can be selecte ...

Despawning or Converting to Spawnable/Possessable a BP with a Control Rig Component causes incorrect mapping

"Pass-By-Reference" inputs to a multicast RPC can crash

Passing a parameter by reference for an RPC does not seem to be a supported operation, and UnrealHeaderTool will already throw an error if a networked UFUNCTION includes any OutParms. However, users ...

I get a compile error when using Particle SubUV nodes and tessellation.

I think tessellation will be discontinued in the future, but I will report it just in case. The licensee is not keen on fixing this problem. ...

Decal of Emissive is not displayed on thumbnail.

Inaccurate Panning on Tap Delay Submix

The panning in the Tap Delay Submix Effect does not always match its assigned Pan in Degrees value. Specifically, the left and right side appear to be reversed on Stereo setups. In addition, in 5.1 ...

ETraceTypeQuery and EObjectTypeQuery not fully exposed to Python

The ETraceTypeQuery and EObjectTypeQuery enums declared in EngineTypes.h aren't fully exposed to Python. Both enums have 32 entries, but Python is only aware of the first 2 for ETraceTypeQuery and t ...

Decal via dithered opacity material shows square borders instead of the original shape.