Unreal Engine Issues

Validate whether the usage of FPIEFixupSerializer can be removed from UWorld::DuplicateWorldForPIE

Welding doesn't work until the first time the actor simulates

[Audio Modulation]- Modulation of Pitch Destination on a Source Bus with a Parameter Patch affects Volume instead

Stepping in the inner area updates the Control Bus on the Patch, but the Modulation is applied to the Volume destination instead of Pitch. Reproduction rate: 5/5 This also occurs in //UE5/Release- ...

Eye Shading Model renders Emissive unexpectedly when using a FloatRGBA scene format

This appears to be caused by the colour format. It only occurs when the scene format has an alpha channel. FloatRGB (format 3) doesn’t exhibit these issues. Unfortunately, format 4 is the default fo ...

Connecting a Client to a Server in PIE with Auto Connect to Server disabled will crash the editor

Connecting a Client to a Server in PIE with Auto Connect to Server disabled will crash the editor. EDIT: simple test project attached. Make sure Auto Connect to Server is disabled, and PIE with 2 p ...

InterpToMovement Component Causes Crash During PIE

When using an InterpToMovement component in a blueprint with the "Auto Update Tick Registration" and "Auto Register Updated Component" options unchecked, PIE will result in a crash. Found in 4.10. ...

VCAM 2.0 - No signal on iPad from Mac OSX

UDN case link with this ticket [Link Removed] ...

Chaos Clothing CreateClothActor takes a long time with LODs and Self-Collision

Spawning an actor with Chaos cloth causes a hitch when LODs or Self-Collision are enabled on the cloth. LODs and Self-Collision seem to compound the issue. Self-Collision requires a collision simul ...

Preview Instance can still trigger print strings when you PIE

In the given answerhub example, the user has a print string coming from IsNotValid on a check of *TryGetPawnOwner*. This is returning a false negative to him when he PIE's because the Preview insta ...

Collision on rolling ball template floor incorrectly affects player character

In the rolling ball template, the new floor meshes cause the player character to jump when the player has not pressed any jump commands. It occurs more often if the players movement has been increas ...