Setting property outside of constructor causes property instances to become read-only

UE - Gameplay - Blueprint - Oct 4, 2017

When a component property is set outside of the constructor (in OnRegister() for example), blueprint instances of the property become read-only if the blueprint default is empty. This only occurs ...

User is forced to rebuild code project DLLs after Hot Reload

UE - Foundation - Cpp Tools - Hot Reload - Oct 4, 2017

REGRESSION: Yes, this does not occur in 4.17.2 When using Hot Reload, the user is prompted to rebuild project DLLs when relaunching the project in editor. This was testing in QAGame and with a cod ...

Hidden widgets can still be clicked and moved in the designer tab (at design time)

UE - Editor - UI Systems - Oct 4, 2017

Widgets who's visibility has been set to false in the editor can still be clicked/dragged in the designer tab. ...

Returning a const pointer from a UFUNCTION causes a VS compile error

UE - Foundation - Cpp Tools - UnrealHeaderTool - Oct 4, 2017

Attempting to return a const pointer from a UFUNCTION will cause a VS compile error The syntax UFUNCTION(BlueprintCallable, Category = test) const UMyActorComp* SomeFunc(); returns a VS compile ...

Metal crash after painting 300 Foliage meshes onto a surface

UE - Graphics Features - Oct 4, 2017

Encountered a Metal crash when painting Foliage on Mac. I'm unable to reproduce anything similar on Windows. This crash can occur if the user drags a Static Mesh into the Foliage Panel or uses an e ...

Metal Mobile Renderer remains checked after disabling it in the Project Settings

UE - Platform - Mobile - Oct 3, 2017

These were not options in 4.17 so not a regression. ...

Crash changing variable type from Object Reference to Actor Soft Object Reference

UE - Gameplay - Blueprint - Oct 3, 2017

REGRESSION: No, this occurs as far back as 4.16. Crash occurs when the user changes a variable type from Object Reference to Actor Soft Object Reference. ...

Restore State for Make MovieSceneSequencePlaybackSettings Not Resetting Sequencer State Appropriately

UE - Anim - Sequencer - Oct 3, 2017

Restore State should have an affect on sequencer. The animation snaps back to its starting point even when this option is not set if played in PIE. If you drag in the level sequence in the editor an ...

Crash occurs when diffing blueprint that has had one of its variables changed to a Soft Object Reference

UE - Gameplay - Blueprint Editor - Oct 3, 2017

A crash occurs when diffing a blueprint that contains an array that has changed from an Object Reference to a Soft Object Reference. Note: I figured that this could be related to another bug that I ...

Translucent materials with tessellation

UE - Graphics Features - Oct 3, 2017

When using a material with a translucent blend mode, you can not use the lighting modes "Volumetric PerVertex NonDirectional", or "Volumetric PerVertex Directional" and the Tessellation settings "PN ...