Unreal Engine Issues
Unreal Engine Issues
Duplicating SkeletalMesh in packaged game causes crash
UE - Graphics Features - Nanite - Mar 11, 2025This code worked until UE5.4. NaniteResource added in 5.5 causes this issue. ...
When a Niagara User Parameter is renamed, mesh bindings on Niagara Mesh Renderers are not updated, and the binding is silently broken
UE - Niagara - Mar 13, 2025In Niagara, Mesh Renderers expose a "Meshes" array for selecting the meshes to be rendered. On each array entry, a property "Mesh Parameter Binding" is available and allows the user to override that ...
Child actor component mesh actor does not update transform with child actor component in parent blueprint
UE - Gameplay - Oct 22, 2015if a child actor component is set to a new child actor at runtime, the actor will not update with the transform of the child actor component in the parent blueprint. ...
Editor Preferences 'Enable Sound' option causes Real Time Audio to Stop Working after PIE
UE - Audio - Sep 28, 2016Real Time Audio stops playing sounds after exiting PIE with the 'Enable Sound' option disabled. The tooltip states, "Whether to play sounds while in a Play in Editor session." This setting does no ...
Save on Compile "On Success Only" Does not save on Successful Compiles with Warnings
UE - Gameplay - Blueprint - Aug 6, 2015The option to save on Compile "On Success Only" does not save on successful compiles that contain warnings. If this is intended, then to avoid confusion, the tool tip should specifiy that "Blueprin ...
Cannot watch values inside of a function in blueprints
UE - Gameplay - Blueprint - Sep 8, 2015Values are never considered in scope when a variable is watched within a custom function, even though "watch this value" is available for use. ...
Struct Tree invalidates outermost Struct when inner Struct changes values
UE - Gameplay - Blueprint - Feb 1, 2017Adding elements to an array within a struct that lives inside another struct corrupts the outermost struct and every blueprint that had used it. This may be related or the same as [Link Removed] ...
ChildActorComponent (SkeletalMesh) goes into tpose when calling SetChildActorClass
OLD - Anim - Mar 19, 2018There is an issue occurring where when updating an animation of a child actor by setting the Child actor class, the animation will flash the skeleton in a T-Pose before continuing with the animation ...
No shadow cast after Static Mesh Editor material assignment
UE - Editor - Content Pipeline - Datasmith - Importer - Apr 21, 2020This is a Rhino file. Shadows are not cast on the Static Mesh after materials are assigned in the Static Mesh Editor. This was reported and tested in 4.24.3 (CL-11590370). This was reproduced in 4. ...
Anim sequence in DLC leads to crash in IOS.
UE - Platform - Mobile - May 19, 2020DLC download is working as expected but opening a map with anim sequence which is located at DLC's pak file will lead to crash in iOS. ...