Zod

This release includes a bug fix that prevents the default factory from firing during a cycle walk.

This release includes bug fixes for toJSONSchema and documentation display issues. It also introduces performance improvements and documentation updates related to z.compile.

This release includes several bug fixes related to documentation rendering, blog post display, and ISR on the docs route. It also addresses an issue with vi.spyOn functionality.

This release primarily focuses on CI improvements, gating GitHub releases and JSR publishing to ensure they only occur when the version is live on npm. It also marks the release of version 4.5.1.

Zod 4.5 introduces `z.compile()` for significant parsing performance improvements and adds new validators like `z.creditCard()` and `z.properties()`. It also includes a fast-path validation function `z.validate()` and reduces memory footprint.

This release focuses on bug fixes for v4 related to object key handling and includes numerous documentation updates regarding sponsor recognition.

This release focuses on documentation improvements, including fixing heading anchor links and updating guidance, alongside a minor feature enhancement for z.preprocess optionality handling.

This release (4.4.1) includes a bug fix related to tuple handling in v4 and updates to CI/CD processes, such as gating release publishing on a full test workflow.

This minor release focuses heavily on correctness and soundness fixes, particularly around tuple parsing defaults, object property requirements when using z.undefined(), and stricter string validation rules. Several changes are potentially breaking for code relying on previously ambiguous input handling.

This release introduces generalized numeric key handling and includes minor fixes like correcting a typo and updating robots.txt configuration.

This release introduces improvements to mini treeshaking and documents the deprecation of the 'message' symbol.

This release introduces patternProperties support for looseRecord and improves documentation, while removing the .refine() method from ZodMiniType and dropping ISO time in fromJSONSchema.

Version 4.3.3 release containing a single commit update.

Version 4.3.2 is a maintenance release that removes the Juno integration and refines strictObject validation within intersections.

This release introduces support for non-overwriting extends when using refinements, improving how configurations or schemas are merged.

Zod 4.x introduces major features including JSON Schema to Zod conversion, exclusive unions (xor), exact optional properties, and improved intersection logic for strict objects.

Version 4.2.1 is a maintenance release containing a single commit.

This release introduces native JSON Schema interoperability with z.fromJSONSchema() and .toJSONSchema(), alongside new schema types like z.xor() and z.looseRecord().

Zod v4.1.13 introduces MAC address validation, z.meta/z.describe, and significant performance optimizations for initialization. It also addresses several edge-case bugs in records, tuples, and localization.

Version 4.1.12 focuses on bug fixes for ZodError flattening, internal error type refactoring, and significant updates to the ecosystem documentation.

Version 4.1.11 is a maintenance release identified by commit 2bed4b3.

Version 4.1.10 is a patch release that addresses a bug in shape caching.

This release updates the zshy dependency and publishes zod version 4.1.9.

Version 4.1.8 is a maintenance release that switches an internal implementation back to using WeakMap.

Release 4.1.7 focuses on expanding locale support (Lithuanian, Georgian), fixing CIDRv6 validation logic, and ensuring array defaults are shallow-cloned. It also includes significant documentation improvements and ecosystem updates.