Unreal Engine Issues

Procedural Sound Wave Fails to Play when returning 0 bytes in GeneratePCMData callback

Returning 0 bytes in GeneratePCMData results in the procedural sound wave not continuing to play audio. Instead of returning 0, we need to return an empty buffer if the procedural sound wave doesn't ...

Morph targets unable to find B Material

Morph targets are not changing colors in some instances and just not doing anything in others(1.1 in Content Examples - MorphTargets) The output log is spammed with: LogMaterialParameter: B materia ...

UMG: Sprites don't pick a default size when selected for a brush

Sprites don't adjust the default size of a brush when selected for a UMG brush. ...

Morph target vertex mapping can be wrong with multi material caches

Launch on Mac attempts to load incorrect map for 2D Side Scroller template

Important: To get this to repro 100% of the time a new Blueprint 2D Side Scroller template project must be used. If you close the project, then reopen it the project opens to the correct map. I'm as ...

Struct Ref pin in Set members in Struct node can be split

Attempting to restore the structure pins of a set members in structure node duplicate the structure input or member variables of the structure. Regression (no) issue (does) occur in 4.11.2 ...

"Error in Feature pack D:/Release/FeaturePacks/TP_VirtualRealityBP.upack" when opening a project in editor.

The following warning appears in the Output Log when opening any project in editor:LogFeaturePack:Warning: Error in Feature pack C:/Program Files (x86)/Epic Games/4.13/FeaturePacks/TP_VirtualReality ...

Rendering glitch when launching on Android

https://answers.unrealengine.com/questions/462957/rendering-glitch-when-launching-on-android-ue413-p.html I was able to repro it on Nexus5 with Android 5.1.1. ...

Can't change settings for CineCameraActor in the level blueprint without casting

Can't change settings for CineCameraActor in the level blueprint without casting. The user has to cast in order to change the settings in the "Current Camera Settings" ...

User is able to give a Preview Scene Profile the same name as an existing profile

In the Preview Scene Settings, the user is able to give two profiles the same name. While this doesn't result in any issues, it is something that's generally not accepted in the editor and can caus ...