Unreal Engine Issues
Unreal Engine Issues
Access None with Event Hit to get Physical Material type
UE - Gameplay - Feb 13, 2015When trying to get a hit result from physical material using a event hit node there will be a access none error caused in the log. This is the exact error presented: Error Accessed None 'CallFunc_B ...
After loading a SubLevel from the PersistentLevel of WorldComposition, the offset of WorldComposition is applied when loading the SubLevel alone
UE - World Creation - Worldbuilding Tools - World Composition - Aug 30, 2018When loading a Sub Level from the Persistent Level of World Composition, the offset of WorldComposition is applied when loading the Sub Level by itself. The offset can be applied repeatedly when rel ...
Splash Screen disappears too quickly on Mobile resulting in a long black screen before game starts
UE - Platform - Mobile - Jan 7, 2019A user has reported that the Splash screen for Mobile games does not last as long as it did in previous versions, resulting a longer black screen before the initial map loads. Regression?: Yes This ...
Drag and Drop Operations Don't Work Correctly When "Render on Phase" Is Enabled In a Retainer Box
UE - Editor - UI Systems - Slate - Jan 31, 2020Drag and drop operations don't work correctly when "Render on Phase" is enabled in a retainer box. When "Render on Phase" is disabled the drag and drop operations work as expected. In 4.23.1 the dr ...
Volumetric Lightmaps Persist When Opening Different Level
UE - Graphics Features - Lumen - Feb 24, 2020When moving between levels with built lighting volumetric light maps persists between levels. Workaround: Load the same level twice. Found in 4.24.2 CL#11100242 Reproduced in 4.26 Main CL#11574810 ...
Can't connect nor send packet via TCP socket in iOS
UE - Platform - Apple - Jun 9, 2020TCP Socket messaging in iOS seems not working. ...
Pasting timeline components into another actor and then choosing "cancel" on fix self context function references results in a broken state
UE - Framework - Components - Sep 13, 2021upd. Regression was checked on //UE4/Release-4.26 CL 15973114, issue was reproduced. Regression - No ...
[Quartz][Crash] - Subscribing to All Quantization Events and then playing a sound on all Quantization boundaries crashes the editor
UE - Audio - Quartz - Jun 3, 2021Hit this when I made a blueprint and Subscribed to ALL quantization events instead of the one I was interested it and tried to use all of them as my Quantization Boundary. The alt title of this bug ...
LandscapeSplineMeshesActor instances not deleted when World Partition is disabled
UE - World Creation - Worldbuilding Tools - World Partition - Oct 30, 2024When landscape splines exist in a WP level, LandscapeSplineMeshesActor instances are created to allow streaming of splines. In a non-WP level, splines are components of the landscape actor. When a W ...
It is possible for PreLoadScreen to leak memory when an EngineLoadingScreen returns IsDone while still loading
UE - Graphics Features - Jan 9, 2025It is possible for a class that implements IPreLoadScreen to leak memory if GetPreLoadScreenType returns EngineLoadingScreen and IsDone returns true before the engine signals loading is completed vi ...