Building the Engine using Visual Studio 2015 can fail if Windows Driver Kit is installed.

UE - Foundation - Cpp Tools - UnrealBuildTool - Oct 26, 2015

There is a possible logic bug in Visual Studio 2015's vcvarsqueryregistry.bat where it locates the include path for the Universal CRT by looking at the last folder in the specified location. This se ...

PathInstance reuse is not fully supported

UE - AI - Oct 26, 2015

Check UDN for details:FindPath repathing on partial path overrides Error result (missing path reset)FindPath doesn't update last repath time, although it does set initial value for newly created one ...

Changing transforms to absolute in parent blueprint does not propagate to child blueprints in the level

UE - Gameplay - Blueprint - Oct 26, 2015

If the transforms for a blueprint component are changed to "absolute" location and/or rotation, new child blueprints created will correctly show the absolute location/rotation changes, but the child ...

Can choose a Child Actor for an Actor property

Tools - Oct 26, 2015

Actors that are created via a child actor component should not be selectable as entries for an actor property. ...

SceneCaptureCube::PostActorCreated() fails compile

UE - Gameplay - Oct 26, 2015

SceneCaptureCube::PostActorCreated() is not set with "ENGINE_API" and causes compile errors when trying to use a class that inherits from SceneCaptureCube. ...

Using USceneCaptureComponentCube::UpdateContent() is not exposed and fails to compile

UE - Gameplay - Oct 26, 2015

Making a call to USceneCaptureComponentCube::UpdateContent() will cause the compile to fail with an unresolved symbol linking error. This is inconsistent with USceneCaptureComponent2D::UpdateConten ...

Procedural Sounds Dropping First Samples

UE - Audio - Oct 26, 2015

When playing a sound with the bProcedural = true option enabled. The associated sound will then drop samples when played. The licensee who originally reported the issue actually has provided a fix i ...

A REINST error occurs in widgets reference one another

UE - Editor - UI Systems - Oct 23, 2015

If the user has two widgets (widgetA and WidgetB) and they use widgetB inside of WidgetA via the user created section and then they alter widgetB the reference to WidgetB will show a REINST Error. ...

UnrealPak hangs when creating a pak file on Mac

UE - Platform - Apple - Oct 23, 2015

Reported by users and seen once by myself. For a project which can exhibit this see: https://udn.unrealengine.com/questions/265039/example-project-for-ios-build-hang-and-poor-modula.html ...

AHUD::DrawMaterialSimple does not render on ANdroid device when MobileHDR is disabled

UE - Platform - Mobile - Oct 23, 2015

After cooking, If user installs same project which contains drawing material via DrawTile function in HUD, is not displayed in es2, with MobileHDR off (verified on android device) DrawTile script i ...