Unreal Engine Issues
Unreal Engine Issues
There is no obvious way to disable Auto Exposure in a post process volume
UE - Graphics Features - Jan 31, 2022There is no easy way to disable auto-exposure on a per-component basis. This is a big source of confusion for people new to Unreal. The work around is to set Min and Max Brightness to 1 or set to ...
Trace to complex collision returns incorrect PhysicalMaterial
UE - Simulation - Physics - Dec 15, 2022In ConvertQueryImpactHitImp, MaterialIndex is looked up from InternalFaceIndex, but FTriangleMeshImplicitObject:: MaterialIndices is an array by ExternalFaceIndex, so it returns incorrect material i ...
Media Playback - PNG Image Sequence Crashes Editor
UE - Media Framework - Sep 14, 2023The attached 105 frame PNG image sequence ( 1920x1080 w/alpha ) crashes the editor in UE 5.3 and 5.4 when played in the media player or in a MediaPlate. The same image sequence does not crash the ...
Blueprints from UE4 with dangling delegate reroute node crashes on UE5 load
UE - Gameplay - Blueprint Compiler - Dec 22, 2023If a project from UE 4.27 or earlier has a blueprint with a reroute node dangling (no outgoing connection) from a Custom Event Node's delegate pin (red), this blueprint will crash when loaded in UE ...
Crash when Listen Server Attempts ServerTravel in Play in New Editor Window
UE - Networking - Jun 9, 2015JamesG: New callstack on UDN thread points to UNetDriver::TickFlush Editor crashes if a listen server attempts to use the console command ServerTravel while in Play in a New Editor Window. CrashR ...
Crashes in movie player on Android
UE - Platform - Mobile - Apr 23, 2015There are a number of reported movie crash issues, but this report likely covers the main cause. Garbage collection changed in Android 4.0 and we are triggering a check that does not happen with ba ...
ConstructorHelpers::FObjectFinder failing to compile with UPaperFlipbook
UE - Foundation - Core - Feb 21, 2017If ConstructorHelpers::FObjectFinder is used with UPaperFlipbook as its class specifier, compiling the code fails with the following error: Error C2664 'void ConstructorHelpers::ValidateObject(UObj ...
Split pins of Function inputs do not correctly update if variable type is changed
UE - Gameplay - Blueprint - Aug 30, 2017When using the inputs of a function, splitting a variable and then changing its variable type does not properly update the node as expected. This occurs with any variable type that can be split. Sav ...
Loading a map via File->Open Level... when it is already loaded in World Composition view does not reset actors to origin
UE - World Creation - Worldbuilding Tools - World Composition - May 14, 2019Loading a map via File->Open Level or just by clicking on it to open it, when it is already loaded in World Composition view does not reset actors to origin. The actors instead keep the same positio ...
Construction script does not properly reset array count
UE - Gameplay - Oct 28, 2019It appears that in UE 4.23, some specific arrays in construction scripts are no longer cleared automatically and retain references to TRASH objects from the previous construction script calls. This ...