Change8

Migrating to Zod v4.1.3

Version v4.1.3 introduces 1 breaking change. This guide details how to update your code.

Released: 8/26/2025

1
Breaking Changes
2
Migration Steps
3
Affected Symbols

⚠️ Check Your Code

If you use any of these symbols, you need to read this guide:

stringToBooleantoJSONSchemapayloadSchema

Breaking Changes

Issue #1

The utility function 'stringToBoolean' has been removed from the codebase. Replace any direct imports or calls to this function with native boolean parsing or custom logic.

Migration Steps

  1. 1
    Remove all references to 'stringToBoolean' as it has been dropped.
  2. 2
    Update any JSON Schema generation logic targeting openapi-3.0 to benefit from corrected record and numeric range outputs.

Release Summary

Version 4.1.3 focuses on fixing JSON Schema generation bugs for OpenAPI 3.0 and Draft-7, while also removing the stringToBoolean utility.

Need More Details?

View the full release notes and all changes for Zod v4.1.3.

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