Unreal Engine Issues
Unreal Engine Issues
UNetDriver server-side hitch results in ActorInfo->NextUpdateTime far into future
UE - Networking - Feb 16, 2024A high UWorld::Tick DeltaSeconds (i.e. GameThread hitch) results in a high UNetDriver::TickFlush DeltaSeconds. This DeltaSeconds can high (many seconds) if the hitch is long. This value then affects ...
empty default value for a blueprint member variable in a custom k2node
UE - Framework - Blueprint - Feb 9, 2024User is attempting to find a blueprint member variable's default value in their implementation of UK2Node::NotifyPinConnectionListChanged(). but the expected value in FBPVariableDescription is empty ...
Keep Simulation Changes does not work for Actors that have replaced root component
UE - Framework - Components - Jan 31, 2024RelativeLocation and RelativeRotation in the root component are collected in UActorComponent::AllUCSModifiedProperties, so copying simulation result is skipped in EditorUtilities::CopyActorPropertie ...
FScopedEditorWorld doesn't clean up old world when going out of scope
UE - World Creation - Worldbuilding Tools - World Partition - Jan 19, 2024In a commandlet, when FScopedEditorWorld exits, it leaves references behind and prevents garbage collection of the PersistentLevel and non-spatial actors. This leads to an issue when a second FScop ...
Map actor reconstruction does not reattach external non-root components
UE - Framework - Components - Jan 17, 2024For two map placed actors, if one actor B's non root component is attached to another actor A, the attachment is not retained when actor A reruns its construction script, such as when moving actor A ...
Pre-UE5 serialized FVariant FVector data corruption when deserialized in UE5
UE - Framework - LWC - Jan 15, 2024FVariant is a struct that implements a union of data types, including FVector. When assigning an FVariant an FVector value in engine versions UE 4.27 or earlier, the FVariant will deserialize incorr ...
Double clicking on Interface Function in Blueprint Graph does not take you to the function implementation.
UE - Editor - Jan 11, 2024When double-clicking on an interface function call within a blueprint, the expected behaviour is that it will take you to the implementation of this function. However, it currently does nothing. ...
K2Node_FunctionEntry: Focusing "Name" property in Details panel changes function name to display format
UE - Framework - Blueprint Editor - Nov 13, 2023Users can enter blueprint function names without spaces, for example PascalCase (MyFunctionName) or snake_case (my_function_name). The "My Blueprint" tab functionality for naming functions allow all ...
GAS: GameplayEffect with RemovalTagRequirements in networked play triggers FScopedActiveGameplayEffectLock ensure
UE - Gameplay - Gameplay Ability System - Nov 3, 2023Reported by multiple users. When in a networked session a GameplayEffect is automatically removed due to:a tag being added that's not allowed, or (TargetTagRequirements.RemovalTagRequirements.MustHa ...
Gameplay Tags set as Default in Local Variables do not show as references in Reference Viewer
UE - Gameplay - Oct 30, 2023Normal variables with gameplay tag defaults will show up in the reference viewer.Other reference types used as a local variable default value will show up in the reference viewer correctly. ...