v6.3.0 is a minor release, which contains breaking changes with fallback. As always we appreciate the contributions from the community.

We've added 4 new generators:

• Added Julia client and server generators #14520
• Add a new Python client generator - python-nextgen #14157
• Add a new jetbrains http client generator #14477

For the highlight of changes, please refer to the list below. For a full list of changes, please refer to the "Pull Request" tab.

General

• Add OpenAPI Normalizer #14172
• Add a rule to keep only the first tag Enhancement: General OpenAPI Normalizer #14465
• Add isEnumRef, isEnumOrRef to CodegenProperty #13880
• Update project dependencies - root, openapi-generator #13881
• Use Gradle 7.6 to build Gradle plugin #13860
• Nullable subschemas #13850
• Cleanup outputDir before openApiGenerate (Gradle plugin) #13659

C

• [C][Client] Allow cJSON_IsNull() for a string if it is not mandatory #14332
• [C][Client] Always send integer or boolean query parameters to the API server #14019

C#

• [csharp-netcore] Added isNew property to CodegenProperty #14412
• [csharp-netcore] Removed net5, added net7 #14003

C++

• [cpp-qt-client] Fix warnings #14056

Crystal

• [Crystal] Skip primitive types from ModelImportMap #14436

Dart

• [dart-dio] Fix non legacy discriminator behavior #14291

Go

• [Go] Adds a sha256 configuration option to hs2019 #14467
• [Go] Client Models using AllOf, OneOf, or AnyOf Correctly Include time and os imports #14459
• [Go] [Client] Don't Explode Query Params #14447

Haskell

• [haskell][server] Include response headers in the API type #13565

Java

• [java][native] Fix urlQuery string method in oneOf #14488
• [Java][native][apache-httpclient] Update toUrlQueryString to support form style for object #14478
• [Java][Spring] fix ParameterObject import for Spring Boot 3 #14454
• [java][microprofile] implement useRuntimeException #14414
• [Java][Spring] Fix #14398 springboot 3 schema required #14402
• Add deepObject query string support in Java native client #14378
• [Micronaut] Improving micronaut-model and micronaut-client generation #14065
• Add Spring 6 HTTP interfaces #14485

JavaScript

• [JavaScript] fix boolean in oneOf, add tests #14380

Kotlin

• [kotlin][client] add info if endpoints requires authentication or not #14445
• [KOTLIN] feat: adds maven-publish to 'kotlin' client generator #14344

PHP

• [PHP] \GuzzleHttp\json_encode is deprecated, use \GuzzleHttp\Utils::jsonEncode instead #14323
• [PHP] better PHP symfony test #14117
• [#13998][Bug][PHP] Move isNullable section to the top of the setter function in templates #14005

Python

• [python] Fixes Response TypeError #14299
• Add a new Python client generator - python-nextgen #14157
• [python] Fixes Configuration w/ access_token at initialization #14153
• [python] fixes addProps sometimes breaks #14102
• [python] exposes deserialized bodies for non-2XX responses #14095
• [python] Issue 13997 fix pass in model instances to new #14067
• [python] fixes bug where v2 specs generate clients when they should not #13996
• [python] fixes enum naming bug #13985

Ruby

• [ruby] Fix api_error.mustache to initialize message-only errors properly #14264
• Enable access token refresh #14251
• Update Ruby minimum version to 2.7 #14002

Rust

• [rust] Fix declaration for arrays with object and array references #14198

Swift

• [swift5][client] - fix combine warning #14444
• [swift5][client] - simplify async await #14430

TypeScript

• [typescript] Add importFileExtension option to support ECMAScript module resolution #14371
• [typescript-axios] single request param in factory #14358