Issues

• Possible regression: "uri" format now references IRI / RFC 3987

  json-schema-org/json-schema-spec#1784 · Filter by author Kaileshwar16 opened on Sep 25, 2026

• Output schema accepts non-object instances

  json-schema-org/json-schema-spec#1783 · Filter by author Kaileshwar16 opened on Sep 25, 2026
  2

• bug: meta.schema.json enforces valid regex for pattern and patternProperties even though the spec only says SHOULD

  json-schema-org/json-schema-spec#1760 · Filter by author RedZapdos123 opened on Aug 12, 2026
  7

• Proposal: Cross-Property & Dynamic Validation via Common Expression Language (CEL)

  proposal
  json-schema-org/json-schema-spec#1729 · Filter by author RishiByte opened on Jul 5, 2026
  2

• ✨ Proposal: Support errorMessage

  proposal
  json-schema-org/json-schema-spec#1725 · Filter by author ya7010 opened on Jul 1, 2026
  1

• ✨ Proposal: Support deprecationMessage

  proposal
  json-schema-org/json-schema-spec#1716 · Filter by author ya7010 opened on Jun 30, 2026

• ✨ Proposal: Can we have a 2020-12 meta-schema that enables format-assertion?

  proposal
  json-schema-org/json-schema-spec#1711 · Filter by author jviotti opened on Jun 2, 2026
  4

• ✨ Proposal: Reference W3C string-meta for language and direction metadata on strings

  proposal
  json-schema-org/json-schema-spec#1710 · Filter by author xfq opened on May 26, 2026
  6

• 🧹 Clarification: For future drafts: RFC 3339 date-time strictness (§5.6 ABNF vs. §5.7 prose)

  json-schema-org/json-schema-spec#1690 · Filter by author AcEKaycgR opened on Mar 19, 2026
  2

• ✨ Proposal: redefine hostname and idn-hostname formats

  proposal
  json-schema-org/json-schema-spec#1678 · Filter by author SorinGFS opened on Feb 25, 2026
  6

• ✨ Proposal: Allow $comment to be an array of strings for multiline support

  proposal
  json-schema-org/json-schema-spec#1663 · Filter by author EduApps-CDG opened on Jan 15, 2026
  4

• ✨ Proposal: Standardize Efficient Object Graph Serialization

  proposal
  json-schema-org/json-schema-spec#1652 · Filter by author scottslewis opened on Dec 17, 2025
  20

• ✨ Proposal: recommended keyword similar to required

  proposal
  json-schema-org/json-schema-spec#1647 · Filter by author juanmeleiro opened on Nov 19, 2025
  5

• ✨ Proposal: multi-line description array

  proposal
  json-schema-org/json-schema-spec#1645 · Filter by author kr99 opened on Nov 17, 2025
  5

• ✨ Proposal: "itemsMultipleOf"

  proposal
  json-schema-org/json-schema-spec#1641 · Filter by author HansBrende opened on Oct 25, 2025

• Proposal: JSON Schema Standardization under Ecma International

  json-schema-org/json-schema-spec#1622 · Filter by author jdesrosiers opened on Aug 18, 2025

• Publication process for the spec

  json-schema-org/json-schema-spec#1615 · Filter by author gregsdennis opened on Jul 21, 2025 · stable-release
  8

  

• Pre-release cleanup

  json-schema-org/json-schema-spec#1612 · Filter by author gregsdennis opened on Jul 13, 2025 · stable-release
  9

• ✨ Proposal: Provide a catalog of reusable types to replace most formats

  proposal
  json-schema-org/json-schema-spec#1607 · Filter by author jdesrosiers opened on Jun 11, 2025
  3

• ✨ Proposal: Add undefinedProperties and undefinedItems Keywords

  proposal
  json-schema-org/json-schema-spec#1606 · Filter by author hackowitz-af opened on Jun 6, 2025
  7

• 🧹 Clarification: Define In-Place Applicators' Subschemas and Results

  json-schema-org/json-schema-spec#1605 · Filter by author hackowitz-af opened on Jun 4, 2025
  8

• Should "format": "duration" allow fractional seconds?

  proposalvalidation
  json-schema-org/json-schema-spec#1603 · Filter by author GREsau opened on May 23, 2025 · stable-release
  11

• Issue: subset schemas don't work with unevaluatedProperties across oneOf branches

  json-schema-org/json-schema-spec#1585 · Filter by author smikulcik opened on Feb 17, 2025
  6

• ✨ Proposal: format registry

  proposal
  json-schema-org/json-schema-spec#1552 · Filter by author gregsdennis opened on Oct 28, 2024 · stable-release
  20

  

• ✨ Proposal: Support $ref-to-enum in object required

  proposal
  json-schema-org/json-schema-spec#1551 · Filter by author etinquis opened on Oct 26, 2024
  5