Unreal Engine Issues
Unreal Engine Issues
Editor iOS rotation specifiers are not followed (especially Portrait)
UE - Platform - Mac - Oct 20, 2023Specifying which orientations the iOS app supports are not honoured correctly. ie: a landscape only game will still render in Portrait mode even when Portrait is disabled in the iOS Settings panel ...
Local Exposure can cause large variations in PreExposure under certain conditions
UE - Rendering - 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 ...
Add 'restart editor' popup when changing 'enable UV from hit result'
UE - Gameplay - Jul 13, 2016The Support UV From Hit Results flag in Project Settings does not take effect until the user restarts the editor. Enabling this doesn't let the user know that they have to restart the editor. ...
Crash on Event Begin Play with UMG Widget and 2 or More Players
UE - Editor - UI Systems - Feb 25, 2015A player with UMG widget created on BeginPlay works fine when hitting play with only 1 player, but if you set the number of player > 1 it will crash. User believes this is somewhere related with t ...
Value of Mass In Kg is multiplying in value when clicked
UE - Simulation - Physics - Jul 27, 2017When changing the value of Mass In Kg for a child of a Skeletal Mesh Actor, the value is getting multiplied with every select, deselect, and enter press on the value. The number the value is multipl ...
Sequencer:The Spawned AnimBP variable is not changed during the second play
UE - Anim - Sequencer - Dec 14, 2018The Spawned AnimBP variable is not changed during the second play. When changing Spawned AnimBP variables from Sequencer Track, the first change works correct. Second time, It can not be changed co ...
Slow while replacing actor in large open world
UE - Core - Editor Performance - Nov 8, 2022Licensee: "Content creators from my team have reported that when they replace actors in an open world it can take more than 10 seconds. This is with several thousand actors loaded in the world. On m ...
Live Link Hub hang when discovering YUV444 encoded takes in Capture Manager
zComponent - Archive - May 28, 2025When using Capture Manager in Live Link Hub to discover takes which contain video encoded with the YUV444 pixel format will cause the application to hang. The Windows Media Foundation library used ...
'Greater/Lesser Than or Equal To' nodes do not work consistently with values lower than 1
UE - Gameplay - Jun 8, 2015'Greater/Lesser Than or Equal To' nodes do not work consistently with values lower than 1 Note: The issue isn't present with whole numbers (ex: 10 decremented by 1) ...
Set Resolution Scale Value to 100 returns inf (infinite) value
UE - Graphics Features - Dec 5, 2016Set Resolution Scale Value to 100 returns inf (infinate) value. The resolution returns an incredibly high number (ex: 9,223,372,036,854,775,808) or "inf" ...