Compilation error when using Particle SubUV in Niagara Mesh Particles with Raytracing enabled.

UE - Niagara - Oct 12, 2021

The licensee has shared the following workaround for modifying NiagaraMeshVertexFactory.ush. struct FVertexFactoryInterpolantsVSToPS { TANGENTTOWORLD_INTERPOLATOR_BLOCK #if USE_PARTICLE_SUBU ...

Focus plane tracking calculations for cinecamera moves wrong direction when tracked subject moves past lens and behind camera

UE - Anim - Sequencer - Oct 11, 2021

If an actor moves behind the camera while being tracked for focus, the focus plane moves back away from the lens the same distance the actor moves behind the camera. This leads to undesirable behav ...

Focus tracking calculations for cinecamera lose precision when panning camera (moving tracking subject to edges of frame)

UE - Anim - Sequencer - Oct 11, 2021

Focus tracking calculation is off for keeping focus sharp on tracked object when object moves away from center of camera lens ...

Crash adding subscene to a looped subscene - MovieSceneSequenceTransform.h - WarpCounts.Num() == NestedTransformsSize

UE - Anim - Sequencer - Oct 11, 2021

Crash adding subscene to a looped subscene. Note this did not repro with brand new sequences not sure what's different about this older content. This also occurs in Release-5.0. ...

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

UE - Networking - Oct 6, 2021

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 ...

Decal of Emissive is not displayed on thumbnail.

UE - Graphics Features - Oct 6, 2021

Inaccurate Panning on Tap Delay Submix

UE - Audio - Oct 5, 2021

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 ...

When rendering a reflection capture, the lightmap may be rendered without finishing streaming.

UE - Graphics Features - Oct 5, 2021

This problem occurs when you do a lighting build. It does not occur when the reflection capture is done by itself. ...