ExposeOnSpawn pins no longer read default values from the linked class

UE - Framework - Blueprint - Dec 18, 2024

This is technically a regression that was introduced in 5.5. This was intentionally changed in order to address a separate issue [Link Removed]. Additionally, this makes it explicit that the exposed ...

VisualizeTexture with the BMP flag causes a crash when any mip over mip0 is requested

UE - Rendering Architecture - Dec 18, 2024

When a mip level higher than 0 is requested in VisualizeTexture, the engine will crash. The root cause appears to be VisualizeTexture.cpp:924, on which an incorrect mip level is used to read a non-m ...

Dragging and dropping multiple notifies does not place all notifies in intended areas.

UE - Anim - Runtime - Dec 17, 2024

When dragging multiple (tested with 4) notifie states there are a few issues. On Drop: Some notify states do not land on the correct track. On Drag: The notify states do not line up with their cor ...

IME input is ignored when There are some lines in MultiLineEditBox

UE - Editor - UI Systems - Slate - Dec 17, 2024

This problem is reproduced on other widgets using MultiLineEditBox. ex.) description in source control commit log pane, comments in blueprints, etc. ...

Misalignment between meshes used in landscape spline segments

UE - Graphics Tools - Terrain - Dec 17, 2024

When using a landscape spline with multiple segments, there can be misalignment between spline segments when the tangent length of segments are too short, causing visual seams between meshes that sh ...

Draw Debug String doesn't render text outside of play

UE - Editor - UI Systems - Dec 13, 2024

When calling the Draw Debug String node outside of play, no text is visible in the viewport. This occurs with Editor Callable functions on placed blueprints as well as from Editor Utility Widgets. ...

Can't get accurate Anim Notify State elapsed duration while in a montage.

UE - Anim - Gameplay - Dec 13, 2024

When GetCurrentAnimationNotifyStateTimeRatio is used inside of a montage it can return the wrong time ratio in certain cases. ...

Improve performance when creating multiple Data Layer Instances

UE - World Creation - Worldbuilding Tools - Dec 10, 2024

Every time AWorldDataLayers::CreateDataLayer is called,  UDataLayerManager::ResolveActorDescContainersDataLayers() gets called and iterates on all actordescs of the world.When creating multiple data l ...

Issue with PLA Editing inside another PLA causes Z-Fighting or Mesh Disappearance.

UE - World Creation - Worldbuilding Tools - Dec 6, 2024

When editing a Packed Level Actor (PLA) that is inside another PLA, z-fighting or mesh disappearance will occur. More specifically, it is seen when duplicating a mesh inside the PLA, upon saving the P ...

GeometryCollection's root proxy doesn't support complex tracing

UE - Simulation - Visual - Dec 5, 2024

More details in this thread: [Link Removed] ...