Unreal Engine Issues

"Set Input Mode Game and UI" Allows the cursor to still interact with buttons when not showing

If the node "Set Input Mode Game and UI" is used and the player clicks off of the widget that is focused the mouse disappears (expected), however if the player moves the cursor (now invisible) over ...

"If" node in material editor still reads ">=" input, it should read ">"

In the Material Editor, the "If" node recently received a change for an input which now registers as ">" instead of ">=". This node still reads ">=" for that input. ...

LIVE: Editor crashes when attempting to use erosion tool on landscape (4.6 preview)

The editor crashes while attempting to use the erosion tool on a landscape in editor. Frequency: 2/2 Callstack: <unknown module>! KERNELBASE!RaiseException() <unknown module>! UE4Editor_Core!FO ...

Stationary Lights are causing shadowing errors with Movable Objects

Stationary Lights are generating shadows with flickering black square and vanish shadows altogether on movable objects in the Preview of 4.7p6 and in the newest Release Branch of 4.7 (2439472). The ...

Ribbon issue with local space and source rotation.

Issue is detailed in the UDN linked. Investigate and fix. ...

FSlateApplication::OnControllerButtonPressed/Released removed causing input plugins to no longer work

The functions OnControllerButtonPressed/Released using FKey were deleted for 4.6. This leaves plugin authors no way of propagating key presses from their plugin in to the input system. ...

Adding a Local Variable to a blueprint Construction Script will cause a crash

Adding a Local Variable to a blueprint Construction Script will cause a crash ...

VR Preview doesn't work when you have multiple tabs open

AISystem::RegisterBlackboardComponent being called not in all valid cases

Observed by 4.7 preview 5 user. After closed investigation it turned out he had two consequent AIController::UseBlackboard calls, which triggered a ensure failure in AISystem::UnregisterBlackboardCo ...

After upgrading a project from 4.7 to 4.8 and compiling a blueprint that casts to and pulls a variable from a widget will cause a freeze if the widget is then compiled

If the user has a project that casts to a widget to pull out a variable in a 4.7 project. This can cause a freeze after upgrading the project to 4.8 preview. This happens when the user compile the b ...