7.28.0

Issues

• [kotlin] Fix #22049 by removing multiplatform-check that added another set of () when isMap also was true

  Unread
  OpenAPITools/openapi-generator#23103·dmh002-politiet opened Mar 3, 2026 · Updated Nov 2, 2026
  10

• fix(typescript-axios): add useErasableSyntax support for erasableSyntaxOnly compatibility

  Client: TypeScriptEnhancement: Feature
  Unread
  OpenAPITools/openapi-generator#23247·thobed opened Mar 14, 2026 · Updated Nov 2, 2026
  7

• [dart-dio] Fix inheritance with json_serializable using super parameters

  Client: DartIssue: Bug
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  OpenAPITools/openapi-generator#23329·AshitaNema opened Mar 24, 2026 · Updated Nov 2, 2026
  9

• fix(cpp-qt-client): #23702 - required members are always present in output of toJsonObject

  Client: C++Issue: Bug
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  OpenAPITools/openapi-generator#23703·TheZlodziej opened May 6, 2026 · Updated Nov 2, 2026
  9

• [dart-dio] fix the issue of multi layer issues with dart-dio code generation

  Client: DartIssue: Bug
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  OpenAPITools/openapi-generator#23717·fstotz opened May 7, 2026 · Updated Nov 2, 2026
  85

• Fix kotlin-spring required property validation

  Issue: BugServer: KotlinServer: Spring
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  OpenAPITools/openapi-generator#23922·ko4lax opened Jun 2, 2026 · Updated Nov 2, 2026
  18

• [kotlin-spring] allOf discriminator children get default discriminator value

  Client: Kotlin
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  OpenAPITools/openapi-generator#23952·rvlasveld opened Jun 5, 2026 · Updated Nov 2, 2026
  7

• Fix #23933: Added @JsonPropertyOrder annotation to Spring Boot generator

  Issue: BugServer: JavaServer: Spring
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  OpenAPITools/openapi-generator#23957·thesauravpoddar opened Jun 5, 2026 · Updated Nov 2, 2026
  15

• feat: add optional getters for nullable fields

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  OpenAPITools/openapi-generator#24039·jorgerod opened Jun 16, 2026 · Updated Nov 2, 2026
  217

• [C#][generichost] Fix enum generation

  Client: C-SharpFeature: EnumIssue: Bug
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  OpenAPITools/openapi-generator#24069·Killianven opened Jun 19, 2026 · Updated Nov 2, 2026
  6

• [kotlin-server] Add configurable inheritance modes

  Enhancement: FeatureServer: Kotlin
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  OpenAPITools/openapi-generator#24090·rm127 opened Jun 22, 2026 · Updated Nov 2, 2026
  31

• Add tests for array return (typescript-nestjs-server)

  Enhancement: CI/TestServer: TypeScript
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  OpenAPITools/openapi-generator#24279·wing328 opened Jul 13, 2026 · Updated Nov 2, 2026·Draft

• [Java][native] support InputStream mappings for binary payloads

  Client: Java
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  OpenAPITools/openapi-generator#24295·wingwogus opened Jul 14, 2026 · Updated Nov 2, 2026
  3

• Fix multipart fields in vertx

  Client: JavaIssue: Bug
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  OpenAPITools/openapi-generator#24668·wing328 opened Aug 10, 2026 · Updated Nov 2, 2026·Draft
  4

• Fix C# GenericHost oneOf serialization for referenced models

  Client: C-SharpIssue: Bug
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  OpenAPITools/openapi-generator#24674·madhus1218 opened Aug 11, 2026 · Updated Nov 2, 2026
  48

• [JAVA] Add generic okhttp client

  Client: JavaEnhancement: Feature
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  OpenAPITools/openapi-generator#24734·rar91279 opened Aug 19, 2026 · Updated Nov 2, 2026
  268

• [BUG][Java][Spring] Generated code fails Error Prone UnnecessaryFinal bug pattern

  Issue: BugServer: JavaServer: Spring
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  OpenAPITools/openapi-generator#24745·anthonyvdotbe opened Aug 20, 2026 · Updated Nov 2, 2026
  2

• feat(kotlin-spring): support generic ResponseEntity return types

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  OpenAPITools/openapi-generator#24805·c19yamamoto opened Aug 29, 2026 · Updated Nov 2, 2026
  9

• Add option to disable strict X509 verification

  Client: PythonEnhancement: Feature
  Unread
  OpenAPITools/openapi-generator#24938·Vishwa0223 opened Sep 12, 2026 · Updated Nov 2, 2026
  16

• Add typescript-fetch sample to test temporal (dateLibrary option)

  Client: TypeScriptEnhancement: CI/Test
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  OpenAPITools/openapi-generator#24941·wing328 opened Sep 14, 2026 · Updated Nov 2, 2026·Draft
  4

• [Java][Spring] enhance useBeanValidation to generate @Valid for the returned objects too (resolve #25214)

  Unread
  OpenAPITools/openapi-generator#25215·LeosBitto opened Oct 11, 2026 · Updated Nov 2, 2026
  140

• [Java][Client][MicroProfile] Add microprofileRegisterRestClient option

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  OpenAPITools/openapi-generator#25281·karan-rastogi opened Oct 17, 2026 · Updated Nov 2, 2026
  12

• [C#][generichost] Support skipping certificate validation for HttpClient

  Client: C-SharpEnhancement: General
  Unread
  OpenAPITools/openapi-generator#25315·nagabalaji-b opened Oct 19, 2026 · Updated Nov 2, 2026
  60

• [csharp][restsharp] throwOnAnyError: wrap oneOf/anyOf FromJson failures in ApiException

  Client: C-SharpIssue: Bug
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  OpenAPITools/openapi-generator#25455·ybai08 opened Oct 29, 2026 · Updated Nov 2, 2026
  3

• fix(kotlin-spring): add parentCtorCallNeeded model template property

  Issue: BugServer: Kotlin
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  OpenAPITools/openapi-generator#17008·petermetz opened Nov 8, 2023 · Updated Nov 2, 2026
  11