Unreal Engine Issues

Level will crash if Landscape material layer can't find LayerInfo file.

Artist had problem open his level after LayerInfo file was deleted ...

Making changes to a Camera Shake while previewing the Camera Shake triggers a crash

This is not a regression. Tested in //UE4/Release-4.27 CL 18319896  Making changes to a Camera Shake while previewing the Camera Shake triggers an Assertion upon compiling. ...

Streaming Nodes and Runtime LiDAR point clouds causes Engine to Crash

Frequent runtime operations on Lidar Point Cloud Octree cause Access Violation ExceptionEdit The Exception occurs while checking bInUse value of QueuedNode, which suggests that this QueuedNod ...

Doing a scene capture of a particle off screen on a thread other than the game thread in a packaged game asserts/crashes

From licensee: When building and running the package on windows or other platforms, the game stops at an Assert when a particle is being rendered (off screen) from a thread other than the game thre ...

TAttributeContainer::CopyFrom crashes when container contains invalid bone indices for active mesh

Currently there's no validation within the animation attribute container that bone ids are valid.  This means that client/game code can add attributes with invalid bone ids into the container and th ...

Editor crashes when replacing Packed Level Actor assets during asset deletion process

Vector VM - Crash / memory stomp when using > 255 external function calls

The Vector VM has only every supported a byte's worth of external function calls, when we blew the limit it would index into the incorrect VM call. The new VM will also overwrite memory when exceed ...

Preview Rendering Level Android Vulkan will crash the editor in VR Template

Editor crashes if you remove cloth from a mesh with a section selected and then close and reopen the mesh

Editor will crash if a material uses ImposterCaptureSwitch material function after build lighting