Unreal Engine Issues
Unreal Engine Issues
Blueprint parameter of a function call will break on reload of the editor
UE - Gameplay - Blueprint - Jun 8, 2015When using a code created function call inside of a blueprint that takes in a pointer to a UBlueprint as a paramter the pin for setting the desired blueprint will cause a compile error when the edit ...
Changing screen percentage while in VR Preview will change screen coords for post process shaders
UE - Platform - XR - Jan 30, 2015If a post process volume is set to use a material shader, reducing the screen percentage while in VR Preview will shift the coordinates left/right. ...
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. ...
Application crashes when blueprint contains a copied timeline
UE - Gameplay - Blueprint - Oct 15, 2015Copied timeline nodes triggers an Android crash and a black screen on the iOS devices. ...
SpringArmComponent with "Use Camera Lag Substepping" does not handle fluctuating frame rates correctly
UE - Gameplay - Jun 4, 2024The description of SpringArmComponent's "Use Camera Lag Substepping" option says "sub-step camera damping so that it handles fluctuating frame rates well". However, as noted and explained by a licen ...
Local class variables do not correctly populate
UE - Gameplay - Blueprint - Dec 2, 2015Local class type variables do not correctly populate with default value information. Variables of a class type populate with default value information normally. ...
Inside a BP Interface, changing a Function output to an input will cause a compile error in the reference bp
UE - Gameplay - Blueprint - Apr 6, 2015Inside a BP Interface, changing a Function output to an input will cause a compile error in the reference bp. [Error] "Graph named 'NewFunction_0' already exists in 'bpActor'. Another one cannot be ...
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 ...
Action event in the blueprint graph leads to state dirty.
UE - Gameplay - Blueprint - Aug 9, 2017BP state get dirty if the BP graph have action input event. Regression: Yes, it is not reproduced in 4.16.3 This issue is not related to Blueprint Compilation Manager. ...