Unreal Engine Issues
Unreal Engine Issues
UEnum::NumEnums appears to be returning one more than the actual number of elements in an enum.
UE - Foundation - Core - Jan 6, 2015A user reported that UEnum::NumEnums appears to be returning one more than the actual number of elements in the enum. ...
Android DLC profile in Project Launcher fails if there is a space in the path for the destination directory
UE - Platform - Mobile - Aug 22, 2018Creating and running an Android DLC profile in the Project Launcher currently fails if there is a space in the path to the destination directory where the packaged DLC will go. If there is no space ...
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 ...
Syncing to an asset through in-editor interface will not update existing assets while in the editor
Tools - Sep 4, 2015If a user syncs to an asset through the editor (right-clicking it in the Content Browser and selecting Sync), the asset will not update until the editor is closed and reopened. Note: This issue is ...
Implied Decal Blend Modes don't account for static ignore-switch parameters in an expected way
UE - Graphics Features - Sep 28, 2021The desired behavior from a user perspective here is that they'd be able to use Static Switches in a decal master material to toggle different features and behaviors. In the above setup, if I set th ...
AppleARKit forces view projection matrix according to device viewport
UE - Platform - XR - Nov 5, 2024[Link Removed] ...
Chaos Modular Vehicles Examples desynchronizes easily
UE - Simulation - Physics - Feb 27, 2025Chaos Modular Vehicles Examples does not replicate properly and it's easy to reach a state of desynchronization where the state stops being replicated and position/rotation of cars mismatch. As an ...
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 ...
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] ...
[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 ...