Issues

Issues

• Speed up the type keyword (commit ready)

  python-jsonschema/jsonschema#1605 · opened on Nov 9, 2026

• descend() does unused setup work for every subschema

  python-jsonschema/jsonschema#1603 · opened on Nov 7, 2026

• ValidationError.validator is None for a false schema, but annotated as str

  python-jsonschema/jsonschema#1597 · opened on Oct 28, 2026

• Draft 2019-09 unevaluatedItems crashes when items is a boolean schema

  python-jsonschema/jsonschema#1590 · opened on Oct 16, 2026
  5

• json_path selects the wrong property for names ending in a newline

  python-jsonschema/jsonschema#1589 · opened on Oct 16, 2026
  1

• Several format checkers accept a single trailing newline (U+000A)

  python-jsonschema/jsonschema#1588 · opened on Oct 14, 2026
  2

• Iterator error contexts lose parent links and absolute paths

  python-jsonschema/jsonschema#1584 · opened on Oct 2, 2026
  3

• regex format checker crashes with ValueError on conflicting inline flags

  python-jsonschema/jsonschema#1558 · 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 · opened on Aug 9, 2026

• regex format checker crashes with RecursionError on deeply nested patterns

  python-jsonschema/jsonschema#1538 · opened on Aug 1, 2026
  1

• unevaluatedItems and unevaluatedProperties are quadratic in instance size

  python-jsonschema/jsonschema#1536 · opened on Jul 30, 2026
  1

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

  Bug

  python-jsonschema/jsonschema#1533 · opened on Jul 25, 2026

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

  Bug

  python-jsonschema/jsonschema#1511 · opened on Jul 10, 2026
  1

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

  python-jsonschema/jsonschema#1497 · opened on Jun 12, 2026
  1

• multiple checker functions for a given format

  python-jsonschema/jsonschema#1496 · opened on Jun 12, 2026

• RFC3339 year 0000 rejected by date-time format validation

  python-jsonschema/jsonschema#1465 · opened on Mar 15, 2026
  2

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

  python-jsonschema/jsonschema#1454 · opened on Feb 12, 2026

• Validators pubilc API

  python-jsonschema/jsonschema#1422 · opened on Oct 13, 2025

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

  Feature

  python-jsonschema/jsonschema#1363 · opened on Jun 2, 2025
  1

• Incorrect validation of valid payload with valid schema

  Bug

  python-jsonschema/jsonschema#1362 · opened on May 29, 2025
  2

• Validator protocol type checking issues

  python-jsonschema/jsonschema#1358 · opened on May 10, 2025
  4

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

  python-jsonschema/jsonschema#1355 · opened on May 2, 2025
  7

• Question about validators across $refs

  python-jsonschema/jsonschema#1341 · opened on Apr 3, 2025

• Mutating validators are difficult to debug

  Feature

  python-jsonschema/jsonschema#1338 · opened on Mar 5, 2025
  1

• Performance degradation moving from Python 3.10 to 3.12

  python-jsonschema/jsonschema#1304 · opened on Oct 1, 2024
  4