VR Motion Controllers: Haptic Feedback Effect SoundWaves

Virtual Reality - Sep 10, 2018

Attempting to play Haptic Effect SoundWaves on both Motion Controllers will cancel or interfere with each other. Tested with Oculus Also confirmed in Main 4348893 ...

NavLink component does not account for the cost of the path set by AreaClass

Gameplay - AI - Sep 6, 2018

In the test case, the NavLink component has a navigation cost of 1000000000. When the AI navigates to the NavLink the printed cost is only 2677. It is believed that the AreaClass isn't being taken i ...

ARKit Crash with Session Type: Image

Virtual Reality - Sep 6, 2018

AR app crashes when starting AR session if session type is set to "Image". Also confirmed in Main CL 4346626 ...

Blueprint variables get reset if not made Public

Gameplay - Sep 5, 2018

When a blueprint variable is not set to Instance Editable, its value gets reset at runtime. This seems to occur because the variable OriginalCannonTransform seems to get reset/nullified after being ...

Undo Crash with Reroute node into Class pin of SpawnActorFromClass

Gameplay - Blueprint - Sep 4, 2018

Crash on undo with SpawnActor node that uses a reroute pin in class wire. "It looks like the variable promotion marks the blueprint as structurally modified, which triggers a skeleton compile, wh ...

Actors in TMap Blueprint Properties are not copied properly for PIE

Core - Sep 4, 2018

Actors that reside in TMap blueprint variables refer to the Editor actors not the copied UEDPIE actors (that we'd expect) when accessed in PIE. This is not the case in standalone; this only occurs f ...

If user set ChunkID to a higher value, UpdateManagementDatabase will be very slow

Gameplay - Sep 4, 2018

If user set ChunkID to a high value, the construction process of the database managed by AssetMAnager becomes very long. The cause is the following code in UChunkDependencyInfo :: BuildChunkDepende ...

Project cannot build in VS 2017 15.8+ if it uses std::make_shared with an over-aligned type

Core - Aug 30, 2018

Visual Studio 2017 15.8 includes a fix to properly handle std::make_shared used with over-aligned types. However, this is a breaking fix and requires the definition of one of two macros to either ac ...

Sprites/Flipbooks only render in left eye with Instanced Stereo Rendering enabled

Virtual Reality - Aug 30, 2018

Paper2D sprites render only in left eye with Instanced Stereo enabled. Also confirmed in Main CL 4329255 ...

Packaged project crashes on launch if third string literal in NSLOCTEXT macro is an empty string

Tools - Localization - Aug 30, 2018

Using the NSLOCTEXT macro with the third string literal as an empty string causes a packaged game to immediately crash on launch. No Crash Reporter window opens, and no log is created. A sample pro ...