Issues

• [Bug]: cannot import name 'Spec' from 'openapi_core' version 0.23.1

  kind/bug
  python-openapi/openapi-core#1225 · Filter by author LaundryPizza03 opened on Sep 19, 2026
  2

• [Bug]: allOf in a request body silently drops fields for x-www-form-urlencoded requests

  kind/bug
  python-openapi/openapi-core#1212 · Filter by author hanyucrocks opened on Jul 7, 2026

• [Bug]: Query parameter validation fails to match empty string when listed as a valid enum value

  kind/bug
  python-openapi/openapi-core#1210 · Filter by author Youssef1313 opened on Jul 2, 2026

• Unable to install along with the latest openapi-schema-validator

  kind/bug
  python-openapi/openapi-core#1188 · Filter by author janhn opened on May 29, 2026
  2

• [Bug]: OAS 3.1 list-style "type" raises in SchemaCaster and StyleDeserializersFactory

  kind/bug/confirmedkind/bug
  python-openapi/openapi-core#1180 · Filter by author litteratum opened on May 14, 2026
  3

• [Feature]: Response Validation Sampling

  kind/enhancement
  python-openapi/openapi-core#1142 · Filter by author rkbennett opened on Mar 12, 2026

• [Feature]: Improve performance by using a faster library for parsing json schemas

  kind/enhancement
  python-openapi/openapi-core#1086 · Filter by author mikicz opened on Jan 16, 2026
  5

• [Bug]: Schemas in query parameters don't work

  kind/bug
  python-openapi/openapi-core#1022 · Filter by author j616 opened on Aug 21, 2025
  7

• [Feature]: Use integration to deserialize data

  area/deserializingkind/enhancement
  python-openapi/openapi-core#978 · Filter by author p1c2u opened on Mar 22, 2025

• [Feature]: Support for injecting custom input in custom openapi error response format

  kind/enhancement
  python-openapi/openapi-core#910 · Filter by author rohan-97 opened on Sep 3, 2024

• [Feature]: Provide error details (validation text, path)

  kind/enhancement
  python-openapi/openapi-core#899 · Filter by author mtvx opened on Aug 20, 2024

• [Bug]: docs links sometimes have incorrect extension

  area/documentationkind/bug/confirmedkind/bug
  python-openapi/openapi-core#881 · Filter by author Lewiscowles1986 opened on Jul 31, 2024

• [Bug]: TestSearch.test_chars_valid test failure

  kind/bug
  python-openapi/openapi-core#855 · Filter by author Thermi opened on Jun 17, 2024
  1

• [Bug]: Mutual exclusion by use of additionalProperties: false across union types

  kind/bug
  python-openapi/openapi-core#803 · Filter by author segfault87 opened on Mar 4, 2024
  1

• Improve error messages from error handlers

  area/contrib
  python-openapi/openapi-core#787 · Filter by author p1c2u opened on Feb 13, 2024 · 1.0.0

• [Feature]: Support for Azure Function HttpRequest object

  kind/enhancement
  python-openapi/openapi-core#759 · Filter by author rbm-radius opened on Jan 12, 2024
  1

• [Feature]: Validate JSON from a file?

  kind/enhancement
  python-openapi/openapi-core#612 · Filter by author papadeltasierra opened on Jun 29, 2023
  2

• [Bug]: Chunked request in requestes

  kind/bug/confirmedkind/bug
  python-openapi/openapi-core#580 · Filter by author jitka opened on May 25, 2023
  1

• How to customize API validation error response in Flask

  area/documentationkind/bugkind/missing-implementation
  python-openapi/openapi-core#564 · Filter by author rohan-97 opened on Apr 27, 2023
  2

• [Bug]: minItems and maxItems are not validated

  kind/bug
  python-openapi/openapi-core#558 · Filter by author jitka opened on Apr 14, 2023
  1

• [Bug]: Chunked request from request libraly

  kind/bug/confirmedkind/bug
  python-openapi/openapi-core#554 · Filter by author jitka opened on Apr 11, 2023
  3

• Documentation doesn't explain validation errors

  kind/enhancement
  python-openapi/openapi-core#536 · Filter by author SethThoburn opened on Mar 16, 2023

• Not registered format raises FormatterNotFoundError

  area/unmarshallingkind/bug/confirmed
  python-openapi/openapi-core#515 · Filter by author p1c2u opened on Feb 18, 2023

• Add tornado support?

  python-openapi/openapi-core#451 · Filter by author bollwyvl opened on Dec 23, 2022
  3

• Code-generation of type hints and handler interfaces

  python-openapi/openapi-core#376 · Filter by author sisp opened on Oct 4, 2021
  3