FIndexedCurve::KeyHandlesToIndices not replicated causing crash.

Tools - Sep 1, 2016

FIndexedCurve::KeyHandlesToIndices is not replicated, and so seems to be permanently out of date. This isn't readily apparent when there are more keys than the default amount, but when removing keys ...

Crash Occurs While Slicing Procedural Mesh Component

UE - Gameplay - Sep 19, 2016

A crash is occurring when attempting to slice a procedural mesh that has the Create Other Half option enabled. Found in 4.13.0. Reproduced in Main CL 312 ...

OnSmartLinkReached Event Not Firing in PIE

UE - AI - Sep 20, 2016

The OnSmartLinkReached event is not firing in PIE. This is a regression. In 4.12.5 the event fires as expected. Found in 4.13.0 CL 3106830 Reproduced in 4.14 Main CL 3129233. ...

The Toggle Comment Bubble button for Reroute nodes does not revert the comment bubble to constant visibility

UE - Gameplay - Blueprint - Nov 21, 2015

The Toggle Comment Bubble button for Reroute nodes does not revert the comment bubble to constant visibility if the bubble is set to only appear when the node is hovered over. This does not occur w ...

UserWidget Struct members cannot be cleared when set from a parent widget

UE - Editor - UI Systems - Sep 22, 2016

Struct members belonging to a UserWidget can be set from a parent widget, but they cannot be cleared. Upon compiling, the member will be set back to it's previous value. ...

SubInstance AnimInstances may not be updated in all necessary places inside SkeletalMeshComponent

OLD - Anim - Sep 28, 2016

After scanning through SkeletalMeshComponent, it looks like there are several places where AnimInstance is updated but SubInstances are not. This can potentially cause states to get out of sync, and ...

Crash in TMap struct deserializer

UE - Foundation - Core - Sep 20, 2016

When deserializing a TMap<FString, FString> with the JsonStructDeserializer, the Engine crashes. ...

When using "Meta = (MakeEditWidget = true)" for a UPROPERTY, edits in blueprint defaults are not reflected unless Editable when Inherited is false

UE - Gameplay - Blueprint - Sep 28, 2016

The widget diamond created when using MakeEditWidget does not update the transform of a placed instance unless Editable When Inherited is false. This appears to relate to the blueprint settings, wh ...

EditDefaultsOnly is overriden by meta specifier MakeEditWidget

Tools - Sep 29, 2016

When the meta property "MakeEditWidget" is used in conjunction with EditDefaultsOnly, instances of the variable in the level can be edited by selecting the widget and using its transform gizmo. ...

NavMesh movement sweep behavior should not be based on bGenerateOverlaps

UE - Gameplay - Player Movement - Sep 28, 2016

A separate new flag should be used to control the sweep behavior of characters using Nav Walking behavior in CharacterMovementComponent. Existing assets should upgrade to set the value of this new f ...