# Motion 13.4.5

By Steven Van · 2026-09-28

The 28 September patch fixes layout, AnimatePresence and Reorder bugs and makes spring and useSpring 5% smaller.

Motion 13.4.5 is a patch release for [Motion Studio](<https://creatorstoolbox.com/tools/motion-studio>), with [four fixes and size changes](<https://motion.dev/changelog?lib=motion#13-4-5>) dated 28 September 2026.

- **Layout:** a relative child no longer jumps when its parent interrupts a layout animation.

- **AnimatePresence:** it can no longer drop a child that is added while another exit animation is completing.

- **Reorder:** the guard on Reorder.Group is now cleared only when values change.

- **spring / useSpring:** both are 5% smaller.

![Motion Studio](<https://motion.dev/favicon.svg>)

Motion Studio

A visual timeline and AI editing agent for refining Motion animations directly on a live website.

[View Motion Studio →](<https://creatorstoolbox.com/tools/motion-studio>)

Sources

[Original source](<https://motion.dev/changelog?lib=motion#13-4-5>)

[Read Motion 13.4.5 on Creators Toolbox](<https://creatorstoolbox.com/blog/motion-studio-motion-13-4-5>)

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Canonical source: https://creatorstoolbox.com/blog/motion-studio-motion-13-4-5