Issues

• OpenAPI Polarion 26-06: SparseFields schema is not correctly generated, causing invalid serialization of fields[...] query parameters and HTTP 400 responses

  openapi-generators/openapi-python-client#1500 · opened on Oct 26, 2026

• allOf that narrows an enum fails with "Cannot take allOf a non-object"

  openapi-generators/openapi-python-client#1498 · opened on Oct 23, 2026

• typing_extensions should be declared as dependency

  openapi-generators/openapi-python-client#1481 · opened on Aug 20, 2026
  1

• Multi-body endpoints with required requestBody emit | Unset without importing Unset

  openapi-generators/openapi-python-client#1451 · opened on Jun 18, 2026
  3

• _build_response crashes with ValueError on non-IANA HTTP status codes (520, 561, etc.)

  openapi-generators/openapi-python-client#1442 · opened on May 29, 2026

• Generator fails on type: array without items even though it's valid in JSON Schema 2020-12 / OpenAPI 3.1

  openapi-generators/openapi-python-client#1435 · opened on May 15, 2026
  1

• default property sibling to a $ref is ignored

  openapi-generators/openapi-python-client#1432 · opened on May 4, 2026

• Inline oneOf variants with properties/required fail: "Invalid property in union"

  openapi-generators/openapi-python-client#1428 · opened on Apr 22, 2026

• Generates invalid python code for seemingly correct json

  openapi-generators/openapi-python-client#1425 · opened on Apr 15, 2026

• Model import shadows HTTP Client import when a schema is named Client

  openapi-generators/openapi-python-client#1423 · opened on Apr 13, 2026

• Upload file logic seems to be wrong on 3.1 schema

  openapi-generators/openapi-python-client#1417 · opened on Apr 6, 2026
  2

• The deprecated field from OpenAPI operations is parsed but not exposed to templates

  openapi-generators/openapi-python-client#1412 · opened on Mar 11, 2026
  1

• Parameter-level descriptions are ignored in Python SDK generation; only schema descriptions are used

  openapi-generators/openapi-python-client#1411 · opened on Mar 11, 2026

• Enum properties with nullable: true don't handle null values

  openapi-generators/openapi-python-client#1405 · opened on Feb 25, 2026

• Urllib error when trying to use list inside a form-data

  openapi-generators/openapi-python-client#1394 · opened on Feb 4, 2026

• Model Composition with ‘allOf’ Is Missing Fields

  openapi-generators/openapi-python-client#1392 · opened on Jan 30, 2026

• Bug Report: Incorrect Model Reference in Generated Paginated Envelope

  openapi-generators/openapi-python-client#1390 · opened on Jan 28, 2026

• Handle "empty" default values as null

  openapi-generators/openapi-python-client#1376 · opened on Dec 11, 2025
  1

• Attempted to generate duplicate models with name "TypenameFieldnameItem"

  openapi-generators/openapi-python-client#1375 · opened on Dec 10, 2025
  1

• Security key doesn't respect endpoint explicitly setting anonymous access (via {})

  openapi-generators/openapi-python-client#1372 · opened on Dec 6, 2025

• Unable to process schema when title is ambiguous

  openapi-generators/openapi-python-client#1355 · opened on Nov 5, 2025

• Quotes in Content-Type cause syntax errors

  openapi-generators/openapi-python-client#1350 · opened on Nov 1, 2025

• Issue with client generation for FastApi version > 118

  openapi-generators/openapi-python-client#1340 · opened on Oct 27, 2025
  5

• Support application/x-ndjson

  openapi-generators/openapi-python-client#1337 · opened on Oct 21, 2025

• Input should be a valid string for integer keys in openapi.yaml

  openapi-generators/openapi-python-client#1333 · opened on Oct 10, 2025
  1