Unreal Engine Issues
Unreal Engine Issues
Same Summary for Load Game from Slot and Save Game to Slot
UE - Gameplay - Blueprint - Jul 8, 2015After creating a blueprint and adding the functions "Save Game to Slot" and "Load Game from Slot," the same summary occurs for both when moused over. The message for both is Save the contents of the ...
Changing Area Light Settings In Blueprint Causes Crash
OLD - Enterprise - Aug 27, 2018Changing area light settings in blueprint will Cause a crash. Found in 4.20 CL# 4302132 and 4.21 CL# 4307852 Unable to test in 4.19 due to provided project being in 4.20 ...
Copy Procedural Mesh from Static Mesh Component does not work correctly when the order of material slots is different
UE - Graphics Features - Oct 15, 2019This issue occurs when the section and material slot order do not match In this sample project:[Link Removed] According to a report from the licensee, the order of Sections seems incorrect.[Link R ...
Deferred spawned actors can receive BeginPlay before they are finished spawning
UE - Framework - May 18, 2023Actors that are deferred spawned on BeginPlay can be added to the world while AWorldSettings::NotifyBeginPlay is still iterating the world's actors and dispatching BeginPlay. AActor::DispatchBeginPl ...
AHUD::DrawMaterialSimple does not render on ANdroid device when MobileHDR is disabled
UE - Platform - Mobile - Oct 23, 2015After cooking, If user installs same project which contains drawing material via DrawTile function in HUD, is not displayed in es2, with MobileHDR off (verified on android device) DrawTile script i ...
Level Instance Editor Paths not resolving correctly
UE - World Creation - Worldbuilding Tools - Level Instances - Jun 25, 2024Soft refs to actors within level instances are not working for:Level Script.BP assets dynamically spawned at runtime.Placed BPs may also have their soft ref broken (maybe this issue is more-so relat ...
4.23 Preview crashes with command line arguement -AutomatedMapBuildUseSCC = False
UE - Foundation - Core - Aug 1, 2019Using an automated script in command line arguments to build project map causes a crash. Note: that it will not crash when 'UseSCC=false' is omitted, but it will not build the map either. Screen gr ...
Creating FTickableObjectBase inherited class in async thread may cause pure virtual function call
UE - Framework - May 22, 2025Classes that inherit from FTickableObjectBase are added to the tickable queue by the QueueTickableObjectForAdd function during their construction (see FTickableGameObject::FTickableGameObject). At t ...
HTML5 shows up as black screen in FireFox 32-bit
UE - Platform - Mobile - Apr 16, 2015Packaged HTML5 games are not running on FireFox 32-bit Version 37.0.1; Some projects will also provide you with a scripting error that appears when you attempt to run the game on 37.0.1 Spoke with ...
Open Sound Control Blueprint Plugin stops working around 1 minute during play
UE - Audio - Jun 3, 2020Messages are not received around 1 minute into playing when using OSC blueprint plugin. Test Project: [Link Removed] User workaround: https://forums.unrealengine.com/development-discussion/blu ...