Unreal Engine Issues
Unreal Engine Issues
Split Struct pins cause errors when a project is converted to 4.17
UE - Gameplay - Aug 11, 2017Split Struct pins cause errors when a project is converted to 4.17. You are still unable to split struct pins even if a new variable is created for the struct. Only adding a new variable to the st ...
Unable to select foliage by left clicking after 1.5 k foliage meshes placed
UE - World Creation - Worldbuilding Tools - Foliage - Aug 28, 2017When using the foliage tool, once the mesh count reaches around 1.5k and higher you will be unable to select individual meshes by using the mouse. The lasso tool and the select all tool work as inte ...
Crash upon adding an Interface to a Blueprint that has a function name that matches the name of a variable in the Blueprint.
UE - Gameplay - Blueprint Compiler - Oct 13, 2017When you add an Interface to a Blueprint that contains a variable with the same name as one of the Interface's functions, the editor will crash upon compiling the blueprint. In 4.16, this only cause ...
Attempting to set a new PIE window to Windowed Fullscreen mode causes both the new PIE window and the original Editor window to freeze and stop accepting input
UE - Platform - Apple - Dec 24, 2018When starting PIE in a New Editor Window on a Mac, the both the new window and original Editor window will freeze and stop responding to inputs if an attempt is made to change the window to Windowed ...
OSS Steam: SteamSocket listen connections do not work after poll group changes
UE - Online - Oct 25, 2021In 4.27 the logic in SteamSocket.cpp which is part of the SteamSockets plugin was changed to use Poll Groups instead of a removed API function that checked all children of a listen socket. However, ...
Editor-only blueprints like WidgetBlueprint are not added to cooked asset registry class hierarchy
UE - CoreTech - Aug 10, 2022Both the Asset Registry and Asset Manager look for all subclasses of UBlueprintCore and use that to search for blueprint classes and construct an inheritance hierarchy. This always works in editor b ...
Switchboard Unable to Launch Multi-User Slate Server in Launcher Builds
UE - Virtual Production - Tools - Switchboard - Jan 14, 2023Switchboard is unable to launch the Multi-User Slate Server in launcher builds. This is because the default install location has "Program Files and "Epic Games" in the path (aka folders with spaces ...
Disabling Grid ShowFlag also hides billboard sprites and volume outlines
UE - Graphics Features - Nov 8, 2023The following odd behavior did not happen until UE 5.2, but happens in the latest UE 5.3. When the "Grid" show flag is disabled in the Level Editor Viewport, all billboard sprites and volume outlin ...
Animation attributes - user defined structs containing types defined in plugins cannot be registered
UE - Anim - Runtime - Dec 18, 2023This issue is caused by us forcing user defined structs to be loaded as part of AttributeTypes::Initialize. That is called after at the ObjectSystemReady run phase during engine initialization howe ...
Packed Level Actors will create ISMs with inverted normals when a portion of static meshes have negative scales. This is apparent with two-sided materials.
UE - World Creation - Worldbuilding Tools - Feb 17, 2025Packed level actors will create ISM instances with inverted normals when the selection of meshes used to create the packed level actor contains a subset of meshes with negative scales. This is the ...