PHAT body collision is shown as smaller when looking at it in the main editor viewport.

UE - Simulation - Physics - Jan 19, 2016

When a physics asset is set up for a Skeletal Mesh, the physics bodies are still visible in the main editor when using Show Collision (alt+C) but are extremely small. They are still oriented along t ...

Metal crash on iOS with Loading Screens

UE - Platform - Mobile - Sep 13, 2016

When "Support Forward Rendering with Metal is set, packaged projects will crash on iOS device at splash screen This was tested on an iPhone 5S, asset #5065 ...

Unable to compile Engine for Debug Editor when bDebugBuildsActuallyUseDebugCRT is set to true

UE - Foundation - Cpp Tools - UnrealBuildTool - Feb 10, 2016

When building the source for the engine in Visual Studio 2015, if bDebugBuildsActuallyUseDebugCRT is set to true and the build configuration is Debug Editor, the build will fail. Full output log fr ...

Compile errors when passing interface array into UFUNCTION

UE - Foundation - Core - Oct 9, 2015

Attempting to pass an array of interfaces into a UFUNCTION will fail at compile stating "cannot convert argument 1 from 'TArray<ElementType,FDefaultAllocator>' to 'const TArray<TScriptInterface<IInt ...

Using nativized functions on buttons to spawn meshes causes assertion failure

UE - Gameplay - Blueprint - Oct 25, 2016

An assertion failure is thrown when using nativized functions on an Android device. ...

Ease node not considered Pure function but has no exec pins

UE - Gameplay - Blueprint - Nov 10, 2016

Ease node not considered Pure function but has no exec pins. This causes a warning to appear within the compiler results as seen in the attached image. Regression (yes) issue (does not) occur in 4 ...

Hot reload breaks blueprints of class type when a struct containing a member of that class is defined in that class' header file.

UE - Gameplay - Blueprint - Sep 16, 2015

When a struct is created in the header file for a class, and the struct contains a member that is of that class' type, performing a hot reload after changing the class will result in a Blueprint der ...

The AnimBlueprint Shows Duplicate Objects in the Debug Filter

UE - Gameplay - Blueprint Editor - Sep 3, 2015

The AnimBlueprint shows duplicate characters in the Debug Filter causing three effects: 1. Causes breakpoints not to function properly 2. Reverts back to "No debug object selected" in the Filter rat ...

Static code functions cause associated blueprints to not compile after a hot reload

UE - Foundation - Cpp Tools - Hot Reload - Oct 14, 2016

If a function inside a BlueprintFunctionLibrary class is declared as static, instances of the function node inside blueprints cause the blueprint to not save after a hot reload. This does not affec ...

Unable to save blueprint after Hot Reload that affects the class the blueprint is based on

UE - Gameplay - Blueprint - Sep 14, 2015

After hot reloading a project, if the class a blueprint is based off of was edited, the blueprint is unable to be saved due to being referenced in Engine/Transient. Project for Repro: [Link Removed ...