Child Animation Blueprint that inherits a Layer Interface can have the Layer Interface added a second time

UE - Anim - Runtime - Anim Blueprints - Mar 28, 2022

Child Animation Blueprint that inherits a Layer Interface can have the Layer Interface added a second time giving the impression changing the layers within the child will override them for the child ...

Some Anim Nodes can't Expose the target Bone settings, so they can't be used with Template AnimBP

UE - Anim - Runtime - Anim Blueprints - Mar 14, 2022

There are many nodes that select the bones of interest, such as the Transform (Modify) Bone and LookAt nodes, but you can't expose those bone settings to the pin, so you can't really use them in Tem ...

Adding a slot node to a template animation blueprint crashes

UE - Anim - Runtime - Anim Blueprints - Mar 4, 2022

Highlighted by Crystal Dynamics here: [Link Removed] ...

Incorrect behavior when bAutoCalculateSpline==true for a Spline IK node

UE - Anim - Runtime - Anim Blueprints - Feb 23, 2022

UDN user reports that the calculations used to auto-calculate spline points is incorrect, solution supplied in the UDN ticket. ...

Variable watch within state machines is broken

UE - Anim - Runtime - Anim Blueprints - Jan 21, 2022

Watching variables within states seems to be broken. See repro steps for details. ...

Packaged Game crashes when using blend space that was added from the context menu

UE - Anim - Runtime - Anim Blueprints - Nov 16, 2021

Blendspace created within an animation blueprint from the context menu throws an assertion when packaged and ran. Only occurs in packaged projects. The blendspace will work correctly in PIE, and st ...

Fatal Error: Cast of Package to AnimGraphNode_BlendSpaceGraphBase failed when deleting an opened Blendspace node in a State graph

UE - Anim - Runtime - Anim Blueprints - Aug 10, 2021

When deleting a Blendspace or Blendspace 1D node in a state graph, after opening it, the editor crashes. It doesn't crash when deleting it before opening the Blendspace node. It also doesn't matter ...

Check() when loading a child anim BP used as a linked instance

UE - Anim - Runtime - Anim Blueprints - Jun 7, 2021

Check encountered by CloudChamber. Slack thread: [Link Removed] ...

Duplicate linked anim layer interfaces cannot be added to an anim BP

UE - Anim - Runtime - Anim Blueprints - Mar 1, 2021

Duplicated anim layer interfaces cannot be added to the same anim BP. While UEdGraph::GraphGuid is unique within a bluprint, it is not unique within the project as a whole (see [Link Removed] for m ...

Toggle Pose Watch in AnimBP not working with Root Motion from Everything

UE - Anim - Runtime - Anim Blueprints - Jan 22, 2021