Unreal Engine Issues

Server crashes when client connects after Server has reloaded a sublevel with a deleted actor

UNetDriver::DestroyedStartupOrDormantActors maintains a list of deleted startup (and dormant) actors. This is used to notify clients that have joined the server of Actors that need to be destroyed ...

Launching a Project which uses Depth of Field crashes to Home Screen on iOS8 device

When depth of field is activated in a project running on an iOS 8 device, the project will close to the Home Screen. ...

Water_Material crashes editor when adding "Scene Depth Without Water" node

Editor crashes when edit foliage assigned to data layer in foliage mode

Editor crashed when selected the property menu of the copy of a track with animation blend.

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 ...

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 ...

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