What's New in the MotionBuilder 2026.1 SDK

Changes to the API

New classes

FBPropertyAnimatableFloat: Animatable property of type float.

New methods

TransactionAddObjectCreate() added to FBUndoManager: Lets you add an object creation in the Undo Stack, so an undo operation deletes it.

New function helpers

FBVector4MatrixMult: Lets you multiply a 4-component vector by a 4x4 matrix.

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