Issues

• [BUG][KOTLIN] kotlinx_serialization: an inline number enum mapped to kotlin.Double is still serialized as a string in 7.27.0

  OpenAPITools/openapi-generator#25588 · Filter by author ceolinwill opened on Nov 7, 2026

• [BUG][KOTLIN] kotlinx_serialization: a string-or-number anyOf/oneOf with number mapped to kotlin.Long/kotlin.Double still doesn't compile in 7.27.0

  OpenAPITools/openapi-generator#25587 · Filter by author ceolinwill opened on Nov 7, 2026

• [REQ] Feature Request Description

  Enhancement: Feature
  OpenAPITools/openapi-generator#25585 · Filter by author KNAutoservice-gif opened on Nov 7, 2026
  1

• // Check with default settings const paymentMethods = await sdkInstance.findEligibleMethods(); // Check with specific currency and amount const paymentMethods = await sdkInstance.findEligibleMethods({ currencyCode: "USD", countryCode: "US", amount: "125.00", }); // Use the eligibility results if (paymentMethods.isEligible("paypal")) { // Show PayPal button } if (paymentMethods.isEligible("paylater")) { const details = paymentMethods.getDetails("paylater"); // Show Pay Later button with product-specific messaging }

  OpenAPITools/openapi-generator#25584 · Filter by author KNAutoservice-gif opened on Nov 7, 2026
  1

• [BUG][KOTLIN] Dependencies whose types are in the client's public API are declared as implementation

  OpenAPITools/openapi-generator#25576 · Filter by author Grinv opened on Nov 6, 2026

• [BUG][CSHARP] generichost: every Api class requires TokenProvider<ApiKeyToken> when an apiKey scheme is only declared

  OpenAPITools/openapi-generator#25575 · Filter by author Grinv opened on Nov 6, 2026

• [BUG][PHP] Nullable model reference in an array or map loses its namespace separators

  OpenAPITools/openapi-generator#25574 · Filter by author Grinv opened on Nov 6, 2026

• [BUG][KOTLIN] build.gradle generated with idea=true fails on Gradle 9 (testSourceDirs)

  OpenAPITools/openapi-generator#25572 · Filter by author Grinv opened on Nov 6, 2026

• [BUG][JAVA] Deprecated properties only get @Deprecated on the getter (base, feign, native, microprofile)

  Issue: Bug
  OpenAPITools/openapi-generator#25567 · Filter by author KorbinianMartini opened on Nov 5, 2026

• [BUG][JAVA] okhttp-gson: a parameter named basePath does not compile (it collides with the call method's local variable)

  OpenAPITools/openapi-generator#25566 · Filter by author siv001 opened on Nov 5, 2026

• [BUG][typescript-nestjs] Generated client fails with TS2307 on NestJS 12 (import from @nestjs/common/interfaces)

  OpenAPITools/openapi-generator#25564 · Filter by author reichhartd opened on Nov 5, 2026

• Mollie

  OpenAPITools/openapi-generator#25551 · Filter by author KNAutoservice-gif opened on Nov 3, 2026

• [BUG] Issue with options

  Issue: Bug
  OpenAPITools/openapi-generator#25550 · Filter by author KNAutoservice-gif opened on Nov 3, 2026
  1

• [BUG][C#] Generic host loses object oneOf values during serialization

  OpenAPITools/openapi-generator#25547 · Filter by author AndreyVMarkelov opened on Nov 3, 2026

• [BUG][C#] Generic host omits operation path when operation has server

  OpenAPITools/openapi-generator#25546 · Filter by author AndreyVMarkelov opened on Nov 3, 2026

• [BUG][Java][okhttp-gson] Cannot serialize oneOf array of strings

  OpenAPITools/openapi-generator#25541 · Filter by author AndreyVMarkelov opened on Nov 3, 2026

• [BUG][Java][okhttp-gson] Large oneOf adapter fails to load with too many constructor arguments

  OpenAPITools/openapi-generator#25538 · Filter by author AndreyVMarkelov opened on Nov 3, 2026

• [BUG][JAVA] Generated code still missing many @Nullable annotations

  Issue: Bug
  OpenAPITools/openapi-generator#25536 · Filter by author OrangeDog opened on Nov 3, 2026

• [BUG][Java][okhttp-gson] JSON.java fails to compile with many model adapters

  OpenAPITools/openapi-generator#25532 · Filter by author AndreyVMarkelov opened on Nov 3, 2026

• [BUG][KOTLIN-SERVER] typeInfoAnnotation.mustache uses As.PROPERTY → discriminator property serialized twice

  Issue: Bug
  OpenAPITools/openapi-generator#25524 · Filter by author rupert-jung-mw opened on Nov 2, 2026
  1

• [BUG] defaultToEmptyContainer behaviour depends on attribute order

  Issue: Bug
  OpenAPITools/openapi-generator#25522 · Filter by author ArjohnKampman opened on Nov 2, 2026

• [BUG][Go] oneOf rejects nullable patterns and ignores enum constraints

  OpenAPITools/openapi-generator#25520 · Filter by author AndreyVMarkelov opened on Nov 2, 2026

• [BUG][Go] AWS signature sample cannot build: go.mod misses aws-sdk-go-v2 submodule requirements

  OpenAPITools/openapi-generator#25506 · Filter by author Inf1mum opened on Nov 1, 2026

• [BUG] oneOf+Discriminator+allOf create invalid inheritance: new Normalizer REMOVE_ALLOF_TO_PARENT_WITH_ONEOF_AND_DISCRIMINATOR

  Issue: Bug
  OpenAPITools/openapi-generator#25505 · Filter by author jpfinne opened on Nov 1, 2026

• [REQ][Java] useRecords beyond Spring: shared logic and the java client

  OpenAPITools/openapi-generator#25494 · Filter by author Sekator778 opened on Oct 31, 2026
  2