Unreal Engine Issues
Unreal Engine Issues
Component name conflict when reparenting from a blueprint parent to a native parent causes data loss and component pointer to be null.
UE - Gameplay - Blueprint Compiler - Jun 18, 2019Reparenting a blueprint from a blueprint to a native class will cause data loss if both parents have a component with the same name. The component ptr will always be null after reparenting. Expected ...
Previous Tangent Recalc` and Size by Life misbehave at low FPS
UE - Niagara - Jun 18, 2019At low FPS particle systems with "Previous Tangent Recalculation" enabled in the Ribbon Data result in messy mesh generation. Found in 4.21 CL# 4753647, 4.22 CL# 6574378, 4.23 CL# 6925347, and 4.24 ...
If using Launcher build, Advertising Identified (IDFA) code for iOS can NOT be disabled by project settings
UE - Platform - Mobile - Jun 18, 2019By [Link Removed], user can disable IDFA without customizing engine code. But, if using Launcher build, the added settings( Enable Advertising Identified(IFFA) ) does NOT work correctly. Because eng ...
Error during packaging if nativizing a blueprint that contains a TMap with a UserDefinedEnum as a key
UE - Gameplay - Blueprint - Jun 17, 2019Certain Map container calls (e.g. Find, Add) will fail to compile at packaging time if a Blueprint class containing a Map variable with a user-defined enumeration as the key type is nativized. This ...
Non-public BlueprintCallable function calls do not compile in a nativized Blueprint.
UE - Gameplay - Blueprint - Jun 17, 2019A nativized Blueprint cannot currently invoke a non-public BlueprintCallable function that's defined in native C++ code without resulting in a C++ compile error. Example: APlayerController::PlayDyn ...
The engine crashes when adding a new brush at newly created level by a specific way.
UE - LD & Modeling - Modeling Tools - Mesh Editing - Jun 17, 2019issuesFBSPOps::csgAddOperation returns null if BuilderBrush has no valid polys.The creating level on content browser never calls "UEditorEngine::InitBuilderBrush(NewWorld);". But "New level" button o ...
Widget component navigation does not work in Standalone
UE - Editor - UI Systems - Jun 14, 2019When running a standalone build, focus navigation doesn't work on widgets within a world-space widget component. This may be fallout from [Link Removed], which parented the widget component's virtua ...
Stationary Spot Lights in Forward Rendering Incorrectly with PerVertex NonDirectional Translucency
UE - Graphics Features - Jun 14, 2019Stationary Spot Lights in Forward Rendering cause artifacts when lighting transluceny set to Volumetric PerVertex NonDirectional. When the camera is moved around the object, the lit vertices flicker ...
Using Square Brackets in a Folder Name Works but makes Meshes Unusable.
Tools - Jun 12, 2019Renaming a folder using square brackets seems to work but renders meshes inside unusable in certain instances. ...
Random Scene Objects are not being rendered in Raytraced Reflections in packaging builds.
UE - Graphics Features - Lumen - Jun 11, 2019Each time the build is run, different assets are missing in the reflections. Found in 4.22 CL# 6574378 and 4.23 CL# 6925347 ...