Performance decreases with the number of morph targets

UE - Anim - Rigging - Jun 15, 2023

Performance decreases quite a bit on characters with large number of morph targets, as soon as even one target is active.  ...

UMovieSceneSequenceTickManager does not consider settings of Fixed Frame Rate

UE - Anim - Sequencer - Jun 15, 2023

Due to CL-20816478 UMovieSceneSequenceTickManager now calculates DeltaTime per Group instead of using DeltaSeconds directly. As a result, the FixedTimeFramerate in the project settings is being igno ...

Scratch Pad outputting Audio Spectrum triggers a crash

UE - Niagara - Jun 14, 2023

This is a regression. Tested in //UE5/Release-5.1 CL23901901 The editor crashes after playing in editor when the level contains a niagara system with a scratch pad outputing audio spectrum. ...

Anim Graph will hang if the Draw Debug Sphere and Set node are connected and compiled

UE - Anim - Runtime - Anim Blueprints - Jun 8, 2023

anim blueprint hangs when compiled. Probably a cyclic issue when compiling. A workaround is to add a delay of any time between the set node and the Draw Debug Sphere node. Repros in the following v ...

Level Sequences- Overriding binding of a spawnable mid-playback doesn't despawn spawnable

UE - Anim - Sequencer - Jun 8, 2023

Reported by user in UDN. Overriding the binding of a spawnable actor track while the sequence is playing will result in 2 visual copies of the actor, the original spawnable, which doesn't get destr ...

Niagara Skeletal Mesh DI Component Tag filter doesn't copy over when copying DI

UE - Niagara - Jun 1, 2023

UNiagaraDataInterfaceSkeletalMesh::CopyToInternal and UNiagaraDataInterfaceSkeletalMesh::Equals do not account for the component tags, so the tags array will be empty when the DI is copied. ...