Getting Relative Location of an Object That Once Simulated Physics Returns World Location

UE - Simulation - Physics - Dec 10, 2015

Attempting 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, 2015

Pressing 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, 2024

When 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, 2025

When 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 ...

Importing static mesh while a PIE session is running permanently breaks nanite on the asset

UE - Editor - Content Pipeline - Import and Export - Mar 12, 2025

Importing a Static Mesh during PIE can cause it to never enable Nanite, even if it reports that Nanite is enabled. To re-enable Nanite on the mesh, the asset needs to be deleted and imported again ...

Cannot Increment a Blackboard Key Value

UE - Gameplay - Blueprint - Feb 4, 2016

Getting 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, 2015

Overlapping 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, 2016

Application 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 ...

Crash closing a project that was packaged on Windows for Linux

Tools - May 11, 2017

This occurred with both Development and DebugGame build configurations. In the game's console I tried both "quit" and "exit" and reproed the crash. The crash also occurs via Alt + F4 or closing vi ...

Resetting material instance parameters to default value does not update the appearance of the object that the material is applied to

UE - Rendering Architecture - Materials - Mar 10, 2025

When a material instance with exposed parameters is applied to a landscape; the parameters set to a new value and then reset to back the default value, the landscape does not respect the new default ...