Unreal Engine Issues

Lumen doesn't use correct sky light settings when GI scalability changes from Low to High

When the Global Illumination scalability settings are changed in the editor from High to Medium, they primarily act on the r.Lumen.DiffuseIndirect.Allow and r.SkyLight.RealTimeReflectionCapture.  No ...

Low fps on Linux when tooltip window appears

Hovering the mouse over an asset/menu option that produces a tooltip window, the fps will drop while the tooltip is visible. Reported using Mint Cinnamon 17.3 Internal machine uses Ubuntu 15.10 and ...

Ensure when undoing the deletion of the RecastNavMesh - Top Down project

While testing in //UE4/Release-4.16 CL 3466753 in Binary – I encountered an ensure when undoing the deletion of the RecastNavMesh. Regression: No This issue also occurs in //UE4/Main and //UE4/Rele ...

CCD can produce incorrect results at low frame rates

The attached project has a fixed frame rate of 30fps with a simulating CCD cube above a with a full restitution floor. The cube has an odd rotation, such that it impacts the floor at a single point ...

RecastNavMesh fails to delete when grouped with NavMeshBoundsVolume - Top Down project

While testing in //UE4/Release-4.16 CL 3466753 in Binary – I encountered an issue when deleting NavMeshBoundsVolume and RecastNavMesh. The NavMeshBoundsVolume is deleted but the RecastNavMesh remain ...

Screen Space Reflection has dark artifacts at low view angles

When looking at a large flat surfaces at very sharp angles dark banding will occur at the horizon. This also occurs in 4.14 CL 3091931 Note : I've attached a 4.12.5 version of the project (SSR412) ...

When no root is present, Sequence Recorder sets top bone to origin

With skeltons that don't have a root or have a root that is not at the origin, sequencer recorder will snap it to the origin in it's recorded animations. [Image Removed] ...

Mouse Position doesn't properly update on tick when framerate is low in standalone game

If a game is run in the standalone editor and the FPS drops to ~20-30 FPS, pressing an event such as LMB and returning the mouse position on tick will cause the tick to jump inconsistently. Note: ...

NullNetworkReplayStreamer::tick cost much more time in 4.22 when record replay

The tool top for the return pin on the "Get" node for an array always says that it is an integer

The tool tip always reads "Item Integer" for the return pin on the "Get" node. ...