Unreal Engine Issues
Unreal Engine Issues
Building Geometry Stops UTickableWorldSubsystem Ticking
UE - Gameplay - Jan 13, 2025Can be mitigated by reopening the Level. There is a repro project provided by the licensee on the case ticket. ...
Collision profiles are reset when blueprint is loaded
UE - Gameplay - Jan 6, 2025In UE 5.5 (and earlier versions), FCollisionResponse::operator== has incorrect behavior where it will detect that two collision response containers are identical if they have the same number of entr ...
Gameplay Tags with the string "None" as any of its hierarchical node identifiers behave incorrectly (because of an incomplete generated FGameplayTagContainer::ParentTags array)
UE - Gameplay - Nov 19, 2024Currently, using the string "None" as a hierarchical node identifier inside a Gameplay Tag (for example "A.B.C.None.D.E.F") is not disallowed by the engine, but results in some incorrect behaviors. ...
GameFeature Plugins do not chunk as expected when using PrimaryAssetLabels
UE - Gameplay - Sep 23, 2024There is some unexpected behaviour around GameFeature Plugins (GFPs) when packaging with chunking enabled most noticeable when using PrimaryAssetLabels (PALs). Firstly, PrimaryAssetLabels do not ap ...
Native gameplay tags in plugins are cleared when reading config files
UE - Gameplay - Aug 14, 2024When references to Gameplay Tags are loaded, it checks to see if they are already registered. If they are not already registered, it will notice it is invalid and may print a warning depending on th ...
Crash when a subsystem calls GetSubsystemArray() on its owner while engine code is iterating on subsystems also obtained through GetSubsystemArray()
UE - Gameplay - Aug 6, 2024In some occasions, engine code iterates over a certain subsystem type by calling FSubsystemCollection::GetSubsystemArray() and then calling some method on all subsystems of the returned array. This ...
Visual Logger bForceUniqueNames does not result in unique names (regression)
UE - Gameplay - Jul 25, 2024Just a regression introduced with the VisLogger changes. ...
Regression - Inherited component properties on actor instances of derived blueprints are silently reset to defaults when the blueprint is compiled, causing data loss
UE - Gameplay - Jul 19, 2024In certain circumstances, when a derived blueprint is compiled, all properties from its inherited components can be silently reset to defaults on instances placed on the current level. This results ...
Natively declared Gameplay Tags aren't counted by Reference Viewer when set default by ctor
UE - Gameplay - Jul 11, 2024Similar to Issue 199247 ([Link Removed]), Natively declared Gameplay Tags aren't counted by Reference Viewer when used in a variable set in a C++ ctor. ...
Instanced object in an array property of an actor component is invalidated and marked for garbage collection on undo
UE - Gameplay - Jun 4, 2024If an actor component contains a TArray of instanced objects, some of those object instances can get incorrectly invalidated and marked for garbage collection in certain situations, possibly resulti ...