Unreal Engine Issues
Unreal Engine Issues
BP with Show 3D Widget enabled does not display the correct vector values in the bp editor
UE - Gameplay - Blueprint - Apr 7, 2015BP with Show 3D Widget enabled does not display the correct vector values in the bp editor. Note: If you don't see a difference at first, delete the bp in the level and place it again. The widge ...
Hot reloading with a plugin in the project prevents the project from being able to save.
UE - Foundation - Core - Jul 8, 2015Hot reloading a project that includes a plugin will not be able to save if the plugin is used in the project. ...
Cannot set the Rotation value of an Instance Static Mesh component if the scale is set to zero
UE - Gameplay - Feb 3, 2015Cannot set the Rotation value of an Instance Static Mesh component if the scale is set to zero. This can be done with StaticMesh components and standard Static Meshes in the level. ...
Launch On from Windows to Linux fails with missing GLSL_430 shaders
UE - Platform - Linux - Nov 16, 2016GLSL_430 shaders are not cooked when deploying a project from Windows to Linux using Launch On. LogPlayLevel: PLINK: [31m[2016.11.16-18.36.22:414][ 0]LogMaterial:Error: The global shader cache fi ...
Collapsing a local variable Get/Set node into a new function or macro will result in a BP compile error.
UE - Gameplay - Blueprint - Apr 21, 2017We currently overlook local variables being collapsed into new function and/or macro graphs, where they are no longer in scope. Current workaround: Manually delete local variable "get" and "set" no ...
Actor components in blueprintable structs are uneditable in full BP editor, but not on instanced actors or in data BP editor
UE - Gameplay - Blueprint Editor - Jan 24, 2024When an actor has a blueprintable struct that contains a reference to an actor component and that component is created default in the actor's constructor, the struct and the component will be unedit ...
UGeometryCollectionComponent::EventDispatcher gets registered for events twice what can result in duplicate collision events being fired
UE - Runtime - Deformable - Sep 18, 2024UGeometryCollectionComponent::EventDispatcher gets registered for events twice, once in UGeometryCollectionComponent::RegisterForEvents() and again in UChaosGameplayEventDispatcher::OnRegister(). Th ...
'Malformed sequence hierarchy' ensure hit after modifying sub-sequence tracks
zComponent - Archive - Sep 5, 2025It's possible for there to be multiple instances of the same sequence in the evaluation states cache if the same sequence is used in multiple sub-sections. Caches are never removed from the evaluat ...
FIXIF: Using the Merge Blueprints feature crashes the editor
UE - Gameplay - Blueprint - Feb 18, 2015Using the Merge Blueprints feature crashes the editor. This repro is for clicking between the error and warnings while merging, but the editor will generally crash if the Merge is finished or if an ...
Calling SetupAttachment/AttachToComponent with 'this' as the parent inside a USceneComponent subtype's C++ ctor for nested component subobjects will result in all instances of the nested default subobject trying to attach to the CDO at registration time.
UE - Gameplay - Nov 16, 2016This occurs because the 'AttachParent' property is a UPROPERTY, and as a result when we create a new instance of a USceneComponent subtype, any USceneComponent subtypes it owns are treated as instan ...