Function output nodes containing an array will cause packaging to fail when nativizing blueprints

UE - Gameplay - Blueprint - Aug 14, 2017

If a blueprint contains a function with an array output and the project is being nativized, the package will fail with an error similar to "error C2679: binary '=': no operator found which takes a r ...

Crash when building lighting with a skylight that draw lit translucent material

UE - Graphics Features - Aug 14, 2017

A common crash affecting many users in 4.17.0 ...

PSD imported texture has white for texels with 0 alpha, resulting in bilinear interpolation artifacts

UE - Editor - Content Pipeline - Import and Export - Aug 14, 2017

Texture viewed in texture viewer has white fringes [Link Removed] This appears to be caused by transparent texels having white stored for their color, which causes artifacts with bilinear interpol ...

Custom event parameter set to 0 by default

UE - Gameplay - Blueprint - Aug 14, 2017

Default parameters do not appear to be retained for custom events. This was tested in 4.17 and the issue does not occur in 4.16. Appears to be a regression ...

[CrashReport] UE4Editor_UMG!CastChecked<UUserWidget,UObject>

UE - Anim - Sequencer - Aug 14, 2017

This is an early trending crash in the 4.17 release. This may be a regression as there is no initial evidence of this callstack occurring in 4.16. User DescriptionsJust compiled my widget Source C ...

Photorealistic Character sample's hair has broken dithered opacity mask

UE - Graphics Features - Aug 14, 2017

In the 4.17 release, there was blocky dithered opacity mask artifacts on low opacity pixels. ...

Collection named 'NUL' is not recognized / saved.

UE - Editor - Content Pipeline - Content Browser - Aug 14, 2017

When a collection is named NUL, it will appear in the editor but does not get saved when the editor shuts down. When the project is restarted, the NUL collection is removed. ...

Editor freezes when creating a Collection named 'AUX'

UE - Editor - Content Pipeline - Content Browser - Aug 14, 2017

When a collection is created, naming the colleciton AUX causes the editor to lock up, requiring a force close from the task manager. Note: Naming the collection something else and then renaming it ...

White Box Appear When Changing Screen Resolution on Standalone

White box appear when changing screen resolution on standalone. ...

Chained physics constraints do not work correctly when one constraint is limited

UE - Simulation - Physics - Aug 12, 2017

A chain of physics constraints that includes a physics constraint that is set to Limited does not work correctly. When collision occurs, the attached actors start moving erratically. Regression?: N ...