Unreal Engine Issues
Unreal Engine Issues
MaterialInstanceConstant doesn't refresh soft references of non-overridden texture parameter
UE - Graphics Features - Aug 22, 2022Observed by a licensee: [Link Removed] When a material instance points to a material, and the material is edited to change a texture and the material and material instance are saved, the material i ...
AppleARKit forces view projection matrix according to device viewport
UE - Platform - XR - Nov 5, 2024[Link Removed] ...
DeprojectScreenPositionToWorld has inaccurate behavior in VR
UE - Platform - XR - May 6, 2015Calling DeprojectScreenPositionToWorld while in VR mode does not project from the center of the Oculus view. Using the results of the call with a line trace will show the line coming off center fro ...
Getting Relative Location of an Object That Once Simulated Physics Returns World Location
UE - Simulation - Physics - Dec 10, 2015Attempting to get the Relative Location of a component that once simulated physics, but has been dynamically set at runtime to not simulate physics returns the World Location instead until the actor ...
OnKeyDown does not function in packaged game
UE - Editor - UI Systems - Jul 17, 2015Pressing down a key for a widget blueprint works in PIE however, it's not functioning once the project is packaged. Project Rar File: [Link Removed] ...
Material attribute layers issue with texture sample and VT lookups
UE - Rendering Architecture - Materials - Nov 14, 2024When using material attribute layers in a material layer setup, there is a potential discrepancy in the number of VT Lookups presented in the material instance's Platform Stats. When the same textur ...
[bug] OIT doesn't work correctly with alpha composite blend mode
UE - Graphics Features - Substrate - Mar 4, 2025When using OIT, AlphaComposite Materials blend as if they are using the Translucent BlendMode. The order of macro #if … #elif cases cause AlphaComposite Materials to take the same route as Transluce ...
Cannot Increment a Blackboard Key Value
UE - Gameplay - Blueprint - Feb 4, 2016Getting a blackboard value as int and then attempting to increment it does not actually increment the value. Upon attempting to increment a value that started at 0, the editor continued to print out ...
Overlapping isn't updated on replicated components after SetWorldTransform
UE - Networking - Dec 10, 2015Overlapping isn't updated on replicated components after SetWorldTransform. Updating the transform on the Actor itself updates the overlapping as expected. Reproduced in 4.10 and Main (CL# 2798114) ...
iOS Metal-based build crashes at launch with sub-levels.
Tools - May 16, 2016Application crashes when deploying a game to iOS with Metal enabled. This has only been reproduced if a sub-level has been added to the starting level within the project. This seems to only happen ...