Unreal Engine Issues
Unreal Engine Issues
Crash when editing details of an AI Perception Component's Senses Config field
UE - Gameplay - Blueprint - Mar 2, 2016If a custom AIController class defines an AISenseConfig_Sight pointer, creating a blueprint of this class and attempting to edit values in the drop down for the array elements causes the editor to c ...
Using GENERATED_BODY() instead of GENERATED_UINTERFACE_BODY() in an Interface code class results in a UHT crash when trying to build the project.
UE - Foundation - Core - Mar 3, 2015Replacing GENERATED_UINTERFACE_BODY() with GENERATED_BODY() in 4.7.0 or above results in an Unreal Header Tool crash and build failure in Visual Studio. This was working in 4.6.1, but when tested i ...
UHT will fail to build a project that contains a BlueprintPure UFUNCTION that returns an ENetMode value.
UE - Foundation - Core - Aug 5, 2015Marking a function as BlueprintPure will result in a UHT build failure in Visual Studio if the function returns an ENetMode value. The ENetMode enum is not marked as a UENUM(), causing the build to ...
Projects with "TargetPlatform" set as a dependency cannot be packaged to Windows 64-bit if the project is made using the binary version of the Editor..
UE - Foundation - Core - Apr 10, 2015Including "TargetPlatform" as a private dependency of a code project created using the binary version of the Engine prevents the Editor from being able to package the project for Win64. Removing the ...
Double-Clicking a Camera in the World Outliner Changes Its Position
Tools - Sep 29, 2015When you double-click on a camera in the world outliner to snap to its location, it instead moves the camera from its original position. Found in 4.9.1 binary. Could not reproduce in 4.8.3, this i ...
Wildcard Array in Macro Causes Error Message to Appear
UE - Gameplay - Blueprint - Nov 9, 2015Creating a Macro with a Wildcard Array and then using that macro to accept an array as input and attempting to get the first element causes an error to appear in the output log. In the AnswerHub u ...
Upgrading Project to a New Engine Version Causes Errors When Attempting to Open Tutorial Blueprints
UE - Gameplay - Nov 11, 2015When you create a project in version 4.8.3, and update it to either 4.10 or Main, there seem to be issues loading the Engine Content Tutorials for FeaturePacks, InstallingiTunesTutorial, and Setting ...
Garbage Collection Causing Noticeable Hitches
UE - Foundation - Core - Apr 11, 2016Garbage Collection is causing noticeable hitches on whatever interval it is run on. This is noticeable in the UE4 Profiler, as you will see a spike every X amount of seconds, depending on how often ...
Significant Performance Drop During Play While Behavior Tree is Open
UE - AI - May 18, 2016Attempting to play in editor, standalone, or VR Preview when a behavior tree that is running is open will cause a significant performance decrease. The framerate drops from ~120 to ~80 fps while the ...
Sphere trace hit location and impact point are identical
UE - Gameplay - May 19, 2016When using a sphere trace, the Hit.Location and Hit.ImpactPoint report at the same location. According to the documentation, Hit Location would be the location of the actor where Impact Point would ...