Issues

• Iterator error contexts lose parent links and absolute paths

  python-jsonschema/jsonschema#1584 · Filter by author GreedyC opened on Oct 2, 2026
  3

• regex format checker crashes with ValueError on conflicting inline flags

  python-jsonschema/jsonschema#1558 · Filter by author vtushar06 opened on Aug 19, 2026
  2

• Feature request: allow a reference registry to have a fixed base_uri when the schema does not set "$id"

  python-jsonschema/jsonschema#1547 · Filter by author sirosen opened on Aug 9, 2026

• regex format checker crashes with RecursionError on deeply nested patterns

  python-jsonschema/jsonschema#1538 · Filter by author deepakganesh78 opened on Aug 1, 2026
  1

• unevaluatedItems and unevaluatedProperties are quadratic in instance size

  python-jsonschema/jsonschema#1536 · Filter by author zhangj23 opened on Jul 30, 2026
  1

• Draft 2020-12 relative JSON Pointer index manipulation is rejected

  Needs Simplification
  Bug

  python-jsonschema/jsonschema#1533 · Filter by author dev-willbird1936 opened on Jul 25, 2026

• is_duration raises an uncaught decimal.Overflow on a duration with a large exponent

  Needs Test Upstream
  Bug

  python-jsonschema/jsonschema#1511 · Filter by author vtushar06 opened on Jul 10, 2026
  1

• $dynamicRef doesn't find $dynamicAnchor overrides in root schemas without $id

  python-jsonschema/jsonschema#1497 · Filter by author aqeelat opened on Jun 12, 2026
  1

• multiple checker functions for a given format

  python-jsonschema/jsonschema#1496 · Filter by author filip-komarzyniec opened on Jun 12, 2026

• RFC3339 year 0000 rejected by date-time format validation

  Needs Test Upstream
  python-jsonschema/jsonschema#1465 · Filter by author Vaibhav701161 opened on Mar 15, 2026
  2

• Validation fails with multi-file schemas with relative file names

  python-jsonschema/jsonschema#1454 · Filter by author rhfogh opened on Feb 12, 2026

• Validators pubilc API

  python-jsonschema/jsonschema#1422 · Filter by author mbant opened on Oct 13, 2025

• Add more context to the non-unique array item in error

  Error Reporting
  Feature

  python-jsonschema/jsonschema#1363 · Filter by author yuri1969 opened on Jun 2, 2025
  1

• Incorrect validation of valid payload with valid schema

  Bug

  python-jsonschema/jsonschema#1362 · Filter by author DoDoENT opened on May 29, 2025
  2

• Validator protocol type checking issues

  python-jsonschema/jsonschema#1358 · Filter by author t1m013y opened on May 10, 2025
  4

• enabling format-assertion via adding vocabulary to a new meta-schema (dialect?)

  python-jsonschema/jsonschema#1355 · Filter by author bernhardreiter opened on May 2, 2025
  7

• Question about validators across $refs

  python-jsonschema/jsonschema#1341 · Filter by author kulikjak opened on Apr 3, 2025

• Mutating validators are difficult to debug

  Dialects v2
  Feature

  python-jsonschema/jsonschema#1338 · Filter by author stephenfin opened on Mar 5, 2025
  1

• Performance degradation moving from Python 3.10 to 3.12

  python-jsonschema/jsonschema#1304 · Filter by author jkugler opened on Oct 1, 2024
  4

• Status of type annotations

  python-jsonschema/jsonschema#1298 · Filter by author salotz opened on Sep 9, 2024
  3

• Support hiding annotation keywords when reporting errors

  Dialects v2Error Reporting
  python-jsonschema/jsonschema#1271 · Filter by author Julian opened on Jun 17, 2024

• Feature request: Add support for a second message attribute on errors which is guaranteed not to include the failing instance

  EnhancementHelp Wanted
  python-jsonschema/jsonschema#1218 · Filter by author sirosen opened on Jan 26, 2024
  7

• Support encountering of a "deprecated": true keyword by propagating a deprecation warning

  Dialects v2Enhancement
  python-jsonschema/jsonschema#1170 · Filter by author edgarrmondragon opened on Sep 28, 2023
  8

• Inaccurate error message while using "unevaluatedProperties": False

  EnhancementError Reporting
  python-jsonschema/jsonschema#1169 · Filter by author MLL1228 opened on Sep 26, 2023
  2

• Instance validates if multipleOf is an integer, but fails if it's a float

  Bug
  python-jsonschema/jsonschema#1159 · Filter by author Zac-HD opened on Sep 10, 2023
  5