Unreal Engine Issues
Unreal Engine Issues
Pre-UE5 serialized FVariant FVector data corruption when deserialized in UE5
UE - Gameplay - 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 - Gameplay - 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. ...
Renaming a level by WorldPartitionRenameDuplicateBuilder fails if the level contains GroupActor with non-spatial actors
UE - World Creation - Worldbuilding Tools - World Partition - Oct 24, 2023Referece to the source level should be fixed by FReplaceObjectRefsArchive, but it is not working because ArIsModifyingWeakAndStrongReferences is not set. It can be fixed by setting the flag.class FR ...
Collision build of LiDAR point cloud assets at runtime does not apply
UE - Editor - Content Pipeline - Datasmith - Oct 24, 2023Collision build at runtime for LiDAR point cloud does not apply. This applies to Editor and Standalone. If you do not allow collision builds at runtime, this module should not be available at runtim ...
Non-existing config file loading could cause memory leak
UE - CoreTech - Oct 19, 2023The cause of this problem is the Engine has code paths which register a new allocated object to Map without deleting the previous object. In the repro project, whenever hitting Space Bar, the level ...
Using the end of the curve as a weighted tangent does not yield the expected value.
UE - Anim - Runtime - Oct 16, 2023When changing the tangent value, the last value is sometimes not 1.0 [Reproduce sample project] [Link Removed] ...
Montage Editor calls NotifyEnds of AnimNotifyState even when paused
UE - Anim - Gameplay - Oct 13, 2023In the Animation Montage Editor, NotifyEnd is unexpectedly called when a time marker is in the middle of an AnimNotifyState and the animation preview gets paused. Because the Animation Montage Edito ...