Unreal Engine Issues
Unreal Engine Issues
Building Packed Level Actors causes references to break in the Packed level Actors' Blueprints
UE - World Creation - Worldbuilding Tools - Level Instances - Oct 27, 2022This is not a regression. Tested in //UE5/Release-5.0 CL 20979098 Building Packed Level Actors causes references to break in the Packed level Actors' Blueprints. Rerunning the Build > Pack Level Ac ...
Renaming a level containing Text3DComponent can cause crash
UE - Virtual Production - Jan 6, 2023BuildTextMesh function queued as AsyncTasks may be called during saving (renaming) a level containing Text3DComponents. The following workaround fix the problem. void UText3DComponent::BuildTextMe ...
Suspend/resume iOS Metal Crash on low end device with MTLCommandBufferErrorMemoryless error with lots of geometry
UE - Platform - Mobile - May 11, 2023The project was built in Unreal 4.27.2 binary from the Epic Games Launcher. At this stage we have only observed the crash on devices with a hardware combination of Apple A9 1.8 GHz and 2GB of Memory ...
[AI] Stack overflow in canRemoveVertex of DetourTileCacheBuilder
UE - AI - Navigation - Sep 28, 2023User reports of stack overflow happening in canRemoveVertex in DetourTileCacheBuilder.cpp if a poly has more than 16 vertices. The array for edges is a fixed array and is written to without checking ...
Gameplay Debugger does not currently support basic input chords
UE - Gameplay - Input - May 21, 2024A note from the user, seems like they have a fix for this already I've changed the type of UGameplayDebuggerConfig::ActivationKey to FInputChord and with ony small changes to surrounding code it ...
Crash in editor after disabling AISystem in Worldsettings
UE - AI - May 16, 2018After disabling the World Option bEnableAISystem, clicking with the right mouse button on the asset browers (in an empty place) casues the editor to crash. ...
Array inputs in Custom Events cause a compiler "note"
UE - Gameplay - Blueprint - Sep 1, 2015Array inputs in Custom Events cause a compiler "note". On compile, "NOTE" is added to the node, and this appears in the Compiler Results: "Info No value will be returned by reference. Parameter 'Lis ...
Removing created event from level BP crashes editor if event is tied to object in level
UE - Gameplay - Blueprint - Feb 21, 2015UPDATE: 2/23/2015 Crash is limited to 4.6.1, does not occur in 4.7 Preview 8 or later builds (CL#2448202). ========================================================== Editor crashes if an event is ...
Foliage Loses Dynamic Shadows from Moveable Point LIght at given Light to Mesh Height
UE - Graphics Features - May 26, 2015A Movable Point Light placed in the center of a field of foliage meshes will render shadows only at certain heights and going above those heights will cause the shadows to completely disappear. [Im ...
Most GameMode classes cannot be set in Blueprints
UE - Gameplay - Jun 14, 2015Most GameMode classes cannot be set in Blueprints. Only Set Default Pawn Class and Set HUD Class have Setters available in Blueprints (the Getters are all still available). Reproduced in 4.8.0 and ...