Unreal Engine Issues

Find-in-Blueprints fails to collect implemented interface graphs

Find-in-Blueprints completely misses implemented interface graphs due to how they are stored within the UBlueprint. This results in the graphs being unsearchable (all nodes and pins, possibly sub-gr ...

Decals Do not Render in Orthographic Lit views

Decals do not render in any view other than Perspective. This is also true for orthographic projections. ...

GearVR mount/unmount triggers erroneous touch end events

Extra touch end events are created for unsupported touch action types. These need to be ignored. ...

AddComponent node fails to be scheduled after adding an "expose on spawn" variable to an ActorComponent-based Blueprint Class.

If an existing AddComponent node is placed in an Actor Blueprint's Event Graph for a custom ActorComponent-based Blueprint Class, the node will fail to be scheduled after adding a variable marked "E ...

Add ENGINE_API to DestructibleActor

Sound node concatenator doesn't work correctly with mixer sound node child.

Sound node concatenator doesn't properly work when one of the concatenator nodes is a mixer node. ...

Blueprint Function Library functions created in the Content Browser cannot be used in Object derived Blueprint classes

I was noticing that functions you define in a Blueprint Function Library created in the content browser are only usable from blueprint classes that derive from Actor, but not from blueprint classes ...

IgnoreMoveInput functions should move up from PlayerController to Controller

Licensee suggests moving this up from APlayerController to AController, I think this makes sense. Minimal refactoring is necessary, and will remove confusion/potential bugs from people thinking it s ...

Injected behavior tree decorators sometimes can't access their memory block

Easiest repro with stack: NotifyDecorator (print on ReceiveExecutionStart) injected: Blackboard condition injected: NotifyDecorator works without Blackboard one in between ...

PlayerController leak if GameMode::FindPlayerStart returns nullptr

In short, if FindPlayerStart returns null (e.g. via a licensee override), UWorld::SpawnPlayActor() will fail and return null even though it actually created a PlayerController successfully. ...