Issues

• unevaluatedProperties ignores properties evaluated by $ref when an untaken if/then/else branch has "properties"

  ajv-validator/ajv#2675 · Filter by author point-source opened on Oct 1, 2026

• feat: support trusted types for jit compilation

  enhancement
  ajv-validator/ajv#2674 · Filter by author atsjo opened on Sep 24, 2026

• coerceTypes option interfere in the validation with the not keyword

  bug report
  ajv-validator/ajv#2673 · Filter by author FerNumbers opened on Sep 24, 2026

• Suggestion: optional comment-only second opinion on Dependabot PRs

  ajv-validator/ajv#2670 · Filter by author lory69060 opened on Sep 7, 2026

• Using $schema to validate against meta-schema is protocol-sensitive. Should it?

  enhancement
  ajv-validator/ajv#2666 · Filter by author Kilkenni opened on Aug 15, 2026

• required/properties/dependencies treat Object.prototype property names (toString, constructor, __proto__) as present in the data

  ajv-validator/ajv#2664 · Filter by author maximilliangrand opened on Aug 13, 2026

• removeAdditional does not work when additionalProperties is not explicitly false

  bug report
  ajv-validator/ajv#2662 · Filter by author preeder opened on Aug 10, 2026
  1

• Track fast-uri v4 migration (currently pinned to ^3.0.1)

  ajv-validator/ajv#2660 · Filter by author AlbinoGeek opened on Aug 7, 2026
  2

• CVE-2026-16221 vulnerability in fast-uri

  bug report
  ajv-validator/ajv#2658 · Filter by author bmrobson101 opened on Jul 28, 2026
  1

• JTD compileParser rejects valid JSON encodings of enum values (raw byte compare against the JSON.stringify form)

  ajv-validator/ajv#2651 · Filter by author haskiindahouse opened on Jul 21, 2026

• discriminator rejects schemas whose tag values are Object.prototype member names (toString, constructor, ...)

  ajv-validator/ajv#2650 · Filter by author haskiindahouse opened on Jul 21, 2026

• deepPatternProperties & deepPatternRequired & uniquePatternProperties

  enhancement
  ajv-validator/ajv#2649 · Filter by author VivaRado opened on Jul 16, 2026

• JSON Schema improvement

  enhancement
  ajv-validator/ajv#2645 · Filter by author johnconstant99-dev opened on Jul 7, 2026

• oneOf with ~2000+ variants causes "Maximum call stack size exceeded"

  bug report
  ajv-validator/ajv#2641 · Filter by author allmycode opened on Jul 1, 2026
  2

• feat: Global additionalProperties validation option

  enhancement
  ajv-validator/ajv#2638 · Filter by author luke-perry-ck opened on Jun 22, 2026

• Maximum call stack exceeded with 600 oneOf options AND allErrors: true

  bug report
  ajv-validator/ajv#2633 · Filter by author heath-freenome opened on Jun 13, 2026
  2

• uniqueItems/enum/const crash with TypeError when input contains object with non-function toString or valueOf property

  ajv-validator/ajv#2624 · Filter by author zhangjiashuo-cs opened on May 24, 2026
  1

• Replace jsontypedef.com link in docs (domain appears unmaintained / unsafe)

  ajv-validator/ajv#2619 · Filter by author FelixMethe opened on May 16, 2026

• "TypeError: Reduce of empty array with no initial value" when compiling parser for discriminator without properties

  bug report
  ajv-validator/ajv#2609 · Filter by author MatthiasMann opened on Apr 30, 2026

• Add support for Standard Schema

  enhancement
  ajv-validator/ajv#2605 · Filter by author Polpetta opened on Apr 21, 2026
  2

• fast-uri - missing export URIComponent

  ajv-validator/ajv#2601 · Filter by author hollandjake opened on Apr 7, 2026

• fix: browser integration tests do not cover ajv2020 and ajvjtd umd bundles

  ajv-validator/ajv#2599 · Filter by author Hikkywannafly opened on Mar 26, 2026

• Issue: require imports in generated code when esm: true

  bug report
  ajv-validator/ajv#2598 · Filter by author alpeer opened on Mar 20, 2026
  3

• JTD parser fails on empty array that has whitespace between brackets

  bug report
  ajv-validator/ajv#2595 · Filter by author nathan-duddles opened on Mar 9, 2026

• Fail to validate a time value.

  bug report
  ajv-validator/ajv#2594 · Filter by author mtruongsa opened on Mar 4, 2026
  1