Save on compile does not work in the level blueprint

UE - Gameplay - Blueprint - Mar 15, 2016

Save on compile does not save the level blueprint when compiling the level blueprint. ...

BeginPlay has inconsistent behavior

Tools - Feb 23, 2015

Certain calls made on Begin Play do not function as expected. Users expect BeginPlay to be called when the game is loaded/playable EX: Using GetViewportSize on begin play will return 0 for X and Y ...

TUnion implementation is missing

UE - Foundation - Core - Feb 24, 2015

The implementation for TUnion is commented out (in Union.cpp) causing it to not function properly. DEFINE_LOG_CATEGORY(LogUnion); has to be added to the user's source file for the VS compille to wo ...

UParticleSystemComponent::TickComponent is missing call to parent

UE - Gameplay - Mar 4, 2015

In ParticleComponents.cpp the function UParticleSystemComponent::TickComponent don't not make any call to Super::TickComponent. This causes issues when using it in blueprints, such as not being abl ...

BlueprintNativeEvent functions break on hot reload

UE - Gameplay - Blueprint - Mar 7, 2015

A blueprint that uses a node for a BlueprintNativeEvent function breaks on hot reload. Blueprint cannot be saved or compiled. Compile error states: Error This blueprint (self) is not a HOTRELOADED ...

Deleting class instance will call destructor for each instance of the class

Tools - Mar 11, 2015

**UPDATE** When the actor is pulled from content browser to scene, a "ghost" object is created even if the actor is still being "held". Dragging the actor back and forth into the editor viewport wi ...

Scaling multiple child components within a blueprint will cause their transform to malfunction

UE - Gameplay - Blueprint - Feb 17, 2016

If the user scales multiple child components and tries to move them it causes exaggerated movement. ...

PlaySoundAtLocation node not working in packaged IOS games

UE - Platform - Mobile - Jan 12, 2015

Sound queues set to play with "Play Sound at Location" node don't play on a game packaged for IOS. **NOTE** User workaround mentioned that sound will come out from connected bluetooth. ...

Set actor hidden in game does not apply to widget components set to Screen Space

UE - Editor - UI Systems - Jan 27, 2016

If the user sets an actor to hidden in game and there is a widget component set to screen space then the screen space widget will not been hidden. ...

User's project crashes when right clicking a blueprint

UE - Gameplay - Blueprint - Jan 6, 2016

If the user right clicks on the AbilityBase blueprint the editor will crash. ...