Unreal Engine Issues

Engine.AIControllerClassName doesn't work when pointing at game-specific controller class

Engine.AIControllerClassName is being used in APawn's CDO creation, and if game-side AIController class is indicated it may not be available yet, which results in APawn not having AIControllerClass ...

Collisions doesn't work at BeginPlay against Instanced Meshes if their Mobility is Static

User reports that in 4.8 in some cases bodies for Static-mobility ISMC instances are not yet initialized when BeginPlay is called. It seems like deferred creation for level streaming should be com ...

Paper2D JSON files are being imported as Data Tables

Since Data Tables were changed to allow importing from JSON files, this has stopped the Paper2D importers from working. We need the Data Table import to be lower priority than anything else to allo ...

UGameViewportClient::LostFocus() flushing input when focus is still on a descendant

See UDN thread. Can we check HasUserFocusedDescendants() so we don't flush keys when the focus is still inside the viewport? ...

No easy way to disable a sense in AI perception

TextureEditorModule.cpp: Layout registered with 'Texture' but unregistered with 'Texture2D'

Layout is registered for class 'Texture' but unregistered for class 'Texture2D' ...

RepNotify variables passed by reference to a function or macro that then change the value of the variable do not trigger the OnRep function on the Server

RepNotify variables passed by reference to a function or macro that then change the value of the variable do not trigger the OnRep function on the Server. This is inconsistent with the behavior with ...

Localization warnings when opening a new project in 4.8.1

There are a couple of warnings that show up in the output log that are dealing with localization when opening up a new project. ...

Crash Building Lighting with Tile Map in Level

Built Lighting with Tilemap in ViewportSaved Paper2D Project after editing blueprint graph Building lighting with a non-empty Tilemap causes crash. The editor builds fine with an empty Tilemap howeve ...

Crash when selecting an action performed in a diff between two revisions in SVN

Get nasty crash when performing a diff between two revisions on a BP uasset and then select a parent section that was modified, followed by a specific action performed on that section of the BP. ...