# Zod v4.5.4

- Product: Zod (https://whatsnew.fyi/product/zod)
- Vendor: Colin McDonnell
- Date: 2026-08-29
- Version: v4.5.4
- Original notes: https://github.com/colinhacks/zod/releases/tag/v4.5.4
- Permalink: https://whatsnew.fyi/product/zod/releases/v4.5.4

What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog.

Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'.

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- **fixed** — Stop the cycle walk from firing a default factory

##### Commits:

- 84e416fbf4740527bbc8f319634f4e1b065bb42c fix(v4): stop the cycle walk from firing a default factory (#6500)
- e8e206fa33ac5fe7ce20a2beb12d57b1cb3df653 4.5.4