Unreal Engine Issues

Corruption in rotating decal in TM-ShaderModels on iPhone 8 and X's

This particular decal is animated and has a Translucent decal blend mode This occurs on both iPhone 8 and 8 Plus (11.0.2) It does not occur on: iPhone SE, iOS 11 beta1 iPhone 7 Plus, iOS 10.3.2 ...

Niagara systems always compile on load.

GetCookedEnvelopeData Blueprint node does not work

The GetCookedEnvelopeData Blueprint node does not output cooked audio envelope data when a Soundwave with enabled Amplitude Envelope Analysis is being played. Tested in 4.21 (CL - 4753647), 4.22.3 ...

Crashes when changing parameters by changing the collection of the NiagaraParameterCollectionInstance

Particle editor realtime mode disabled when play in editor

Particle editor realtime mode disabled when play in editor, while it's normal in UE4.24 ...

Transform gizmo behaves incorrectly in the Blueprint editor viewport if multiple child components are selected and their parent component is rotated 90 degrees around Z.

When multiple child scene components are selected and their parent is rotated 90 degrees about Z, attempting to use the transform gizmo will move the components in the wrong direction relative to th ...

Spawning a Spawnables to a sub-level on the sequencer will spawn to Persistent Level in the case of Editor

This feature works fine on Runtime and is spawned to Sublevel. And, once we save the Level, it will be spawned actor to a sublevel even on the Editor. ...

There's no motion blur on streaming GeometryCache

UDN customer mentioned: "there looks to be support for motion vectors as exported from DCC apps (for rare cases like fluid sim), but regular in-engine motion vector calculation for regular motion bl ...

fbx Importer: Make sure the user has more feedback on the automatic import framerate

If a user import a lot of animation in one fbx, the logic that compute the automatic framerate can diverge and hit a very high value. The maximum sample rate is 1920Hz which is very high,. The user ...

Compiling blueprint component can lose data on instances in level

Compiling a blueprint component can cause data loss on instances in the level when the component instance overrides its owning Blueprint's property value overrides back to the component archetype's ...