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 ...
Camera Shake Oscillation Duration no longer accepts -1 as indefinite
UE - Gameplay - Jul 30, 2015The Camera Shake Class no longer allows for indefinite shaking via setting a negative value in the Oscillation duration, per the tooltip instructions. This happens when using either the Play World ...
'HighResShot 2' is not taking a screenshot for a packaged project
UE - Graphics Features - Mar 19, 2015When you attempt to take screenshot in a packaged project with the Console Command 'HighResShot 2'. This command works in editor but not in a packaged project. Issue with packaging in Main CL# 248 ...
Changing the directional light from stationary to movable causes the mobile preview to show dark
UE - Graphics Features - Nov 5, 2014When Changing the Light source in the Sci Fi Hallway from stationary to movable, the room will become dark on Mobile preview. ...
Crashing when attempting to open a Room blueprint in a users project
UE - Gameplay - Blueprint - Jan 28, 2015A crash is occurring in this users project when you open one of the Room Blueprints in the users project. Unable to recreate unless using the users project. Crash Reporter: [Link Removed][Link Re ...
Auto Reimport of FBXs saved out from Maya 2015 Fail
UE - Editor - Content Pipeline - Import and Export - Mar 10, 2015FBX assets which are reimported after being successfully imported using the auto import feature (saving the FBX to the Content Folder) are failing to apply changes made to the mesh in Maya 2015, Use ...
Packaged projects do not render in web page using Safari 10.0
UE - Platform - Mobile - Aug 9, 2016My Macbook Pro uses an Nvidia GeForce 750M and was on Safari 10.0 when this occurred. This did NOT occur on a Macbook Pro with the same card and using Safari 9.1.2. This did NOT occur on an iMac wi ...
User created widgets from widgets that are normally not focusable appear to break navigation when added to another widget even when focusable set to true
UE - Editor - UI Systems - Oct 28, 2016User created widgets from widgets that are normally not focusable appear to break navigation when added to another widget even when focusable set to true Example: A widget with only a text block in ...
Crash occurs when importing attached FBX with default import settings
UE - Editor - Content Pipeline - Import and Export - Dec 22, 2016While verifying a bug for 4.15 UE-39952 , I tried to repro in 4.14.2 and the editor crashed while attempting to import the attached FBX In 4.15, the Editor does NOT crash a window pops up stating t ...
Nativized widget with String table data crashes packaged game
UE - Gameplay - Blueprint - Jun 1, 2017There is a crash that is occurring for packaged games that use the string tables and nativized blueprints. This issue only affects a packaged build of the game. Testing for this issue did not yield ...