Release changes in Zod, with links to original sources.https://devpebe.com/https://devpebe.com/radar/2026-05/#zod/https://devpebe.com/radar/2026-05/#zod/Changes in Zod for 2026-05.Sun, 31 May 2026 00:00:00 GMT<h3 id="v442--may-1-2026"><a href="https://github.com/colinhacks/zod/releases/tag/v4.4.2">v4.4.2</a> — May 1, 2026</h3> <ul> <li>Discriminated-union option typing tightened; <code>z.preprocess</code> defers optionality to the inner schema.</li> </ul>https://devpebe.com/radar/2026-04/#zod/https://devpebe.com/radar/2026-04/#zod/Changes in Zod for 2026-04.Thu, 30 Apr 2026 00:00:00 GMT<h3 id="v440--apr-29-2026"><a href="https://github.com/colinhacks/zod/releases/tag/v4.4.0">v4.4.0</a> — Apr 29, 2026</h3> <ul> <li>⚠ <strong><code>z.cuid</code> validation tightened and CUID v1 deprecated</strong>; <code>z.httpUrl</code> now rejects malformed URLs missing the slash after the protocol.</li> <li>Key-refinement failures surface as structured <code>invalid_key</code> issues; the v3-style single-argument <code>z.record(valueType)</code> works again.</li> <li>Global configuration is shared through <code>globalThis</code> — fixes mixed CJS/ESM module instances.</li> </ul>https://devpebe.com/radar/2025-12/#zod/https://devpebe.com/radar/2025-12/#zod/Changes in Zod for 2025-12.Wed, 31 Dec 2025 00:00:00 GMT<h3 id="v430--dec-31-2025"><a href="https://github.com/colinhacks/zod/releases/tag/v4.3.0">v4.3.0</a> — Dec 31, 2025</h3> <ul> <li><strong>JSON Schema conversion covers the full surface</strong>: all primitive types, string formats, composition (<code>anyOf</code>/<code>oneOf</code>/<code>allOf</code>), object and array constraints, <code>$ref</code> with circular schemas, metadata preserved.</li> <li>⚠ E.164 phone regex tightened — non-zero leading digit, 7–15 digits total.</li> </ul> <h3 id="v420--dec-15-2025"><a href="https://github.com/colinhacks/zod/releases/tag/v4.2.0">v4.2.0</a> — Dec 15, 2025</h3> <ul> <li><strong><code>z.fromJSONSchema</code></strong> and a <code>.toJSONSchema</code> method; new <code>z.looseRecord</code> and <code>z.xor</code>.</li> </ul>https://devpebe.com/radar/2025-08/#zod/https://devpebe.com/radar/2025-08/#zod/Changes in Zod for 2025-08.Sun, 31 Aug 2025 00:00:00 GMT<h3 id="v410--aug-23-2025"><a href="https://github.com/colinhacks/zod/releases/tag/v4.1.0">v4.1.0</a> — Aug 23, 2025</h3> <ul> <li><strong>Codecs</strong> — bidirectional schemas: <code>encode</code> runs transforms <code>B->A</code>, pipes execute in reverse; defaults/prefaults and catch apply forward-only.</li> <li>Ships ready-made codecs: <code>stringToNumber</code>, <code>stringToInt</code>, <code>isoDatetimeToDate</code>, <code>epochSecondsToDate</code>, and more.</li> </ul>https://devpebe.com/radar/2025-07/#zod/https://devpebe.com/radar/2025-07/#zod/Changes in Zod for 2025-07.Thu, 31 Jul 2025 00:00:00 GMT<h3 id="v4014--jul-30-2025"><a href="https://github.com/colinhacks/zod/releases/tag/v4.0.14">v4.0.14</a> — Jul 30, 2025</h3> <ul> <li><strong>JSON Schema draft-04 output</strong>; improved recursive tuple inference.</li> </ul> <h3 id="v405--jul-10-2025"><a href="https://github.com/colinhacks/zod/releases/tag/v4.0.5">v4.0.5</a> — Jul 10, 2025</h3> <ul> <li>Support <strong>pipes in discriminated unions</strong>.</li> </ul> <h3 id="v32568--jul-2-2025"><a href="https://github.com/colinhacks/zod/releases/tag/v3.25.68">v3.25.68</a> — Jul 2, 2025</h3> <ul> <li>Add <strong><code>z.stringFormat</code></strong>.</li> </ul>https://devpebe.com/radar/2025-06/#zod/https://devpebe.com/radar/2025-06/#zod/Changes in Zod for 2025-06.Mon, 30 Jun 2025 00:00:00 GMT<h3 id="v32566--jun-16-2025"><a href="https://github.com/colinhacks/zod/releases/tag/v3.25.66">v3.25.66</a> — Jun 16, 2025</h3> <ul> <li>⚠ (v4 work) <code>ZodObject</code> default changed to <code>$strip</code>; <code>inst.shape</code> set in Zod Mini.</li> </ul> <h3 id="v32558--jun-10-2025"><a href="https://github.com/colinhacks/zod/releases/tag/v3.25.58">v3.25.58</a> — Jun 10, 2025</h3> <ul> <li>(v4 work) <strong>Preserve function types in <code>.meta</code></strong>; Pashto locale added.</li> </ul>https://devpebe.com/radar/2025-05/#zod/https://devpebe.com/radar/2025-05/#zod/Changes in Zod for 2025-05.Sat, 31 May 2025 00:00:00 GMT<h3 id="v32540--may-30-2025"><a href="https://github.com/colinhacks/zod/releases/tag/v3.25.40">v3.25.40</a> — May 30, 2025</h3> <ul> <li>(v4 work) Flatten simple intersections; <strong>OpenAPI-friendly JSON Schema</strong> for File schemas.</li> </ul> <h3 id="v32525--may-23-2025"><a href="https://github.com/colinhacks/zod/releases/tag/v3.25.25">v3.25.25</a> — May 23, 2025</h3> <ul> <li>(v4 work) JSON Schema: <code>additionalProperties: false</code> by default for objects in <code>io:output</code> mode.</li> </ul> <h3 id="v3244--may-4-2025"><a href="https://github.com/colinhacks/zod/releases/tag/v3.24.4">v3.24.4</a> — May 4, 2025</h3> <ul> <li>Allow <code>HH:MM</code> format in <code>z.string.datetime</code> and <code>z.string.time</code>.</li> </ul>https://devpebe.com/radar/2025-02/#zod/https://devpebe.com/radar/2025-02/#zod/Changes in Zod for 2025-02.Fri, 28 Feb 2025 00:00:00 GMT<h3 id="v3242--feb-11-2025"><a href="https://github.com/colinhacks/zod/releases/tag/v3.24.2">v3.24.2</a> — Feb 11, 2025</h3> <ul> <li><code>z.custom</code> now supports async validation.</li> </ul>