Issues

• Add z.gtin() string format with GS1 mod-10 checksum

  colinhacks/zod#6644 · Filter by author Anoesj opened on Oct 2, 2026

• zod 4.6.5 is affected by CVE-2023-54404

  colinhacks/zod#6643 · Filter by author CFSNM opened on Oct 2, 2026
  1

• Ecosystem: add Mimlet to Mocking Libraries

  colinhacks/zod#6642 · Filter by author JeffreyNijs opened on Oct 1, 2026

• z.record skips an own __proto__ key without running the key schema

  colinhacks/zod#6641 · Filter by author chenxin-yan opened on Oct 1, 2026

• registry.remove() deletes an id that now belongs to another schema, dropping it from toJSONSchema(registry)

  colinhacks/zod#6640 · Filter by author andrewstellman opened on Sep 30, 2026
  1

• Intersection throws "Unmergable intersection" when both sides produce the same NaN

  colinhacks/zod#6639 · Filter by author andrewstellman opened on Sep 30, 2026
  1

• TS5115 "infinitely circular" on .catchall(z.json()) with the TypeScript 7.1 nightlies

  colinhacks/zod#6637 · Filter by author maschwenk opened on Sep 29, 2026

• z.union() inside .pipe() loses strictObject's unrecognized_keys

  colinhacks/zod#6636 · Filter by author andreww2012 opened on Sep 29, 2026
  3

• feature request: properly RFC-compliant email address parser

  colinhacks/zod#6635 · Filter by author LMR-eitea opened on Sep 29, 2026

• fromJSONSchema silently drops assertions alongside enum/const, required keys outside properties, and typeless keywords

  colinhacks/zod#6634 · Filter by author mlegls opened on Sep 29, 2026

• feat: support trusted types for jit compilation

  colinhacks/zod#6630 · Filter by author atsjo opened on Sep 24, 2026

• z.jwt() rejects valid tokens whose header contains - or _

  colinhacks/zod#6629 · Filter by author Prafyl opened on Sep 23, 2026
  2

• feat(v4): add z.abaRoutingNumber() string format with ABA checksum

  colinhacks/zod#6628 · Filter by author jiaheyi-maggie opened on Sep 23, 2026

• Default with partial in zod 4

  colinhacks/zod#6627 · Filter by author jonassoderholm opened on Sep 23, 2026
  1

• toJSONSchema({ unrepresentable: "any" }) silently rounds bigint literals outside the safe-integer range

  colinhacks/zod#6625 · Filter by author kazikimaguro13 opened on Sep 23, 2026
  3

• Avoid decoded-string allocation in z.base64() validation for large inputs

  colinhacks/zod#6624 · Filter by author chenxin-yan opened on Sep 22, 2026

• Input type is not inferred in error function of .refine()

  colinhacks/zod#6623 · Filter by author matthiashermsen opened on Sep 22, 2026

• Non-English locales lose Infinity/-Infinity in "invalid type" messages

  colinhacks/zod#6621 · Filter by author danbom opened on Sep 22, 2026
  4

• Rollup tries to interpret references to @__PURE__ annotations in Zod's comments

  colinhacks/zod#6619 · Filter by author audibleptr opened on Sep 21, 2026
  3

• Custom error message handling differs between 4.4.3 and 4.5.

  colinhacks/zod#6618 · Filter by author simonkleinfeldDT opened on Sep 18, 2026
  5

• Expose ZodFunction meta from .implement() result

  colinhacks/zod#6617 · Filter by author mmkal opened on Sep 18, 2026
  1

• IMO number validator

  colinhacks/zod#6616 · Filter by author l0uisgrange opened on Sep 17, 2026
  1

• BIC validation

  colinhacks/zod#6615 · Filter by author l0uisgrange opened on Sep 17, 2026
  4

• Typo in metadata docs page

  colinhacks/zod#6614 · Filter by author georgegebbett opened on Sep 17, 2026
  1

• toJSONSchema: format/length/integer-bound constraints dropped for some schemas when converting a large multi-schema document (4.5.4 → 4.6.5)

  colinhacks/zod#6613 · Filter by author BigGillyStyle opened on Sep 17, 2026
  2