Unreal Engine Issues

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. ...

Exporting to FBx nanite staticmesh, export the low res fallback LOD 0

The exporter export the render data and the nanite render data is on the gpu and is not accessible, this is why it export the fallback mesh. Its more complex then it appear since we will need to do ...

Long delay on iOS Device Output Log can cost loss of logging on some devices

If the delay to begin printing the log to the window is too long, some of the logging can be thrown out. This issue does not occur with Android Device Output log UPDATE1: The last time I reproduce ...