Unreal Engine Issues
Unreal Engine Issues
Local Exposure can cause large variations in PreExposure under certain conditions
UE - Rendering - Graphics Features - Sep 16, 2025PreExposure is influenced by LocalExposure in PostProcessEyeAdaptation.cpp:1265. It appears when the scene is particularly dark and using manual exposure, the LastAverageLocalExposure can read a lar ...
Message box cannot be closed after accessing the home screen on iOS
UE - Platform - Mobile - Mar 15, 2016Returning to home screen with message box displayed prevents the message box from being closed upon returning to the game ...
Some texture files cannot be exported from the editor
Tools - Feb 4, 2015There are instances where some texture files cannot be exported from the editor. In this older post a user had reported this with the file T_Sky_Blue from the engine folder. Only this file has been ...
Attempting to play an animation without an anim blueprint set causes editor to crash
OLD - Anim - Feb 29, 2016Attempting to play an anim montage for a character without having the Anim Blueprint Generated Class set will cause the editor to crash. Crash Reporter Link: [Link Removed] ...
Invisible child components appear for one frame on scene capture 2D windows if another component is attached.
UE - Gameplay - Oct 1, 2015Invisible child components appear for one frame on scene capture 2D windows if another component is attached. ...
Force Next Floor Check doesn't work when the player is stopped
UE - Gameplay - Player Movement - Oct 6, 2016Force Next Floor Check doesn't work when the player is stopped, even though the tool tip says that it does. User Description: I'm trying to shrink / grow the collision capsule for our needs but wh ...
Actor components in blueprintable structs are uneditable in full BP editor, but not on instanced actors or in data BP editor
UE - Gameplay - Blueprint Editor - Jan 24, 2024When an actor has a blueprintable struct that contains a reference to an actor component and that component is created default in the actor's constructor, the struct and the component will be unedit ...
Renaming a shot through the shot track does not rename the underlying sequence asset
UE - Anim - Sequencer - Aug 7, 2023Renaming a shot through the shot track does not change the name of the underlying asset, and causes it to no longer match when looking for takes ...
The drawing order of widgets becomes wrong when GlobalInvalidation is enabled,
UE - Editor - UI Systems - Slate - Nov 26, 2021When trying to create a widget with specific steps, the drawing order may not be correct. This is not reproduced when Global Invalidation is disabled, and the state can be restored. This issue is pr ...
Networked Root Motion Sources can experience desynchronisation that is not present in animation root motion under forced adjustment
UE - Gameplay - Player Movement - Feb 13, 2024In a networked environment with high packet loss (or high forced adjustment factor), motion applied using Root Motion Sources can desynchronise under conditions that animation root motion does not. ...