Issues

• [REQ][Java][Client][MicroProfile] Add an option to omit @RegisterRestClient during client generation

  Enhancement: Feature
  OpenAPITools/openapi-generator#25264 · Filter by author icirloprivate opened on Oct 15, 2026

• [BUG] [Go] pattern values containing control characters are copied raw into generated struct tags, producing invalid Go source (illegal character NUL)

  Issue: Bug
  OpenAPITools/openapi-generator#25263 · Filter by author Fyusel opened on Oct 15, 2026

• [BUG][rust-server] serde_valid validation stops at generated model wrappers

  OpenAPITools/openapi-generator#25261 · Filter by author EricLiu2000 opened on Oct 15, 2026

• [BUG][RUST] Reqwest - encoding of spaces in path parameters

  Issue: Bug
  OpenAPITools/openapi-generator#25257 · Filter by author GlenWright opened on Oct 14, 2026
  3

• [BUG][rust-axum] additionalProperties: false does not reject unknown JSON fields

  OpenAPITools/openapi-generator#25255 · Filter by author lucarlig opened on Oct 14, 2026

• [BUG][JAVA][SPRING] HV000271 still logged for non-required @RequestBody Optional<Dto> (7.26.0)

  OpenAPITools/openapi-generator#25249 · Filter by author rfsimoes opened on Oct 13, 2026

• [BUG][typescript-fetch] Generated runtime requires DOM types in native-fetch Node consumers

  Issue: Bug
  OpenAPITools/openapi-generator#25244 · Filter by author jasper-payflip opened on Oct 13, 2026

• [BUG] ExampleGenerator returns the string "{}" (or null) for type: object schemas without properties

  OpenAPITools/openapi-generator#25237 · Filter by author knusth opened on Oct 12, 2026

• [BUG] ExampleGenerator: generated array examples ignore minItems

  OpenAPITools/openapi-generator#25235 · Filter by author knusth opened on Oct 12, 2026
  1

• [BUG] ExampleGenerator: generated numeric examples violate maximum (negative, without minimum) and ignore exclusiveMinimum/exclusiveMaximum

  OpenAPITools/openapi-generator#25234 · Filter by author knusth opened on Oct 12, 2026

• [BUG] OpenApiEvaluator reports "default value not in enum" for numerically equal values with different scale (e.g. 1.5 and 1.50)

  Issue: Bug
  OpenAPITools/openapi-generator#25233 · Filter by author gabrielpires01 opened on Oct 12, 2026

• [BUG] OpenApiEvaluator emits "Unused model" warnings even when recommendations are disabled

  Issue: Bug
  OpenAPITools/openapi-generator#25232 · Filter by author gabrielpires01 opened on Oct 12, 2026

• [BUG] Description HTML2 generator: needs helpers.js

  Issue: Bug
  OpenAPITools/openapi-generator#25228 · Filter by author ascotto-rm opened on Oct 12, 2026

• [BUG][Java][Spring] 7.26.0 regression: oneOf interface getter for the discriminator is typed with the name of a primitive-alias schema that has no model ("cannot find symbol")

  OpenAPITools/openapi-generator#25226 · Filter by author cmuchinsky opened on Oct 12, 2026

• [BUG][KOTLIN] multiplatform/jvm-ktor: DELETE without requestBody sends "Content-Type: application/json" with an empty body

  Issue: Bug
  OpenAPITools/openapi-generator#25223 · Filter by author rlnt opened on Oct 12, 2026

• [BUG][csharp][restsharp] throwOnAnyError: oneOf/anyOf deserialization failure on 2xx escapes as InvalidDataException instead of ApiException

  Issue: Bug
  OpenAPITools/openapi-generator#25218 · Filter by author mszopa-foss opened on Oct 12, 2026

• [REQ] enhance useBeanValidation to generate @Valid for the returned objects too

  Enhancement: Feature
  OpenAPITools/openapi-generator#25214 · Filter by author LeosBitto opened on Oct 11, 2026

• [BUG][C#][generichost] Generic enum converter overrides schema-specific converters for arrays

  OpenAPITools/openapi-generator#25206 · Filter by author alexaka1 opened on Oct 9, 2026

• [BUG][swift6] Request builders crash the app (fatalError) on unsupported input and silently drop bodies that fail to encode

  OpenAPITools/openapi-generator#25183 · Filter by author spigo opened on Oct 8, 2026

• [BUG][CORE] 7.26.0: several inlineSchemaNameMappings onto one name generate numbered duplicates (Money, Money1)

  OpenAPITools/openapi-generator#25179 · Filter by author enfuce80 opened on Oct 8, 2026
  2

• [BUG][PYTHON] getPydanticType throws on OpenAPI 3.1 property with type "null" (7.26.0)

  OpenAPITools/openapi-generator#25176 · Filter by author dlynch90 opened on Oct 8, 2026
  1

• [BUG][typescript-fetch] Runtime fails isolatedDeclarations compilation

  OpenAPITools/openapi-generator#25172 · Filter by author budrobertson opened on Oct 7, 2026

• [BUG][csharp][generichost] Nested enum names collide in source-generated JSON contexts (SYSLIB1031)

  OpenAPITools/openapi-generator#25158 · Filter by author alexaka1 opened on Oct 6, 2026

• [BUG][csharp][generichost] anyOf with discriminator serializes to {}

  OpenAPITools/openapi-generator#25154 · Filter by author alexaka1 opened on Oct 6, 2026

• [REQ][Java] Remove unused imports from generated Java code

  OpenAPITools/openapi-generator#25145 · Filter by author ondrej-simon opened on Oct 6, 2026
  5