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removeAdditional does not work when additionalProperties is not explicitly false

bug report

Status: Open.

#2662 In ajv-validator/ajv;

· preeder opened on Aug 10, 2026

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

Status: Open.

#2660 In ajv-validator/ajv;

· AlbinoGeek opened on Aug 7, 2026

CVE-2026-16221 vulnerability in fast-uri

bug report

Status: Open.

#2658 In ajv-validator/ajv;

· bmrobson101 opened on Jul 28, 2026

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

Status: Open.

#2651 In ajv-validator/ajv;

· haskiindahouse opened on Jul 21, 2026

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

Status: Open.

#2650 In ajv-validator/ajv;

· haskiindahouse opened on Jul 21, 2026

deepPatternProperties & deepPatternRequired & uniquePatternProperties

enhancement

Status: Open.

#2649 In ajv-validator/ajv;

· VivaRado opened on Jul 16, 2026

JSON Schema improvement

enhancement

Status: Open.

#2645 In ajv-validator/ajv;

· johnconstant99-dev opened on Jul 7, 2026

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

bug report

Status: Open.

#2641 In ajv-validator/ajv;

· allmycode opened on Jul 1, 2026

feat: Global additionalProperties validation option

enhancement

Status: Open.

#2638 In ajv-validator/ajv;

· luke-perry-ck opened on Jun 22, 2026

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

bug report

Status: Open.

#2633 In ajv-validator/ajv;

· heath-freenome opened on Jun 13, 2026

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

Status: Open.

#2624 In ajv-validator/ajv;

· zhangjiashuo-cs opened on May 24, 2026

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

Status: Open.

#2619 In ajv-validator/ajv;

· FelixMethe opened on May 16, 2026