7.23.0

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Prepare v7.23.0 release

Status: Merged (completed).

OpenAPITools/openapi-generatornumber 23643

#23643 In OpenAPITools/openapi-generator;

· by wing328 was closed on Apr 28, 2026

feat: add support for oneOf in sttp4 client

Client: Scala

Enhancement: Feature

Feature: OAS 3.0 spec support

Status: Merged (completed).

OpenAPITools/openapi-generatornumber 22916

#22916 In OpenAPITools/openapi-generator;

· by plaflamme was closed on Jun 5, 2026

[java] Support 'date-time-local' format

Enhancement: General

Server: Java

Server: Spring

Status: Merged (completed).

OpenAPITools/openapi-generatornumber 23395

#23395 In OpenAPITools/openapi-generator;

· by Allsimon was closed on May 5, 2026

[swift5/swift6] Fix oneOf decoding when enumUnknownDefaultCase is enabled

Client: Swift

Issue: Bug

Status: Merged (completed).

OpenAPITools/openapi-generatornumber 23496

#23496 In OpenAPITools/openapi-generator;

· by jasperpatterson was closed on Apr 30, 2026

Fix Python (e.g. FastApi) example generation

Issue: Bug

Server: Python

Status: Merged (completed).

OpenAPITools/openapi-generatornumber 23537

#23537 In OpenAPITools/openapi-generator;

· by Goopher was closed on May 4, 2026

[Java-Spring] Enable bean validation for spring-http-interface when configured

Issue: Bug

Server: Java

Server: Spring

Status: Closed (abandoned).

OpenAPITools/openapi-generatornumber 23609

#23609 In OpenAPITools/openapi-generator;

· by thiswasdumb was closed on Jun 8, 2026

Update doc/readme with v7.22.0 release

Status: Merged (completed).

OpenAPITools/openapi-generatornumber 23644

#23644 In OpenAPITools/openapi-generator;

· by wing328 was closed on Apr 28, 2026

[GRADLE-WRAPPER] bug fix - pass maven java_home to gradle correctly

Issue: Bug

OpenAPI Generator Gradle Plugin

Status: Merged (completed).

OpenAPITools/openapi-generatornumber 23646

#23646 In OpenAPITools/openapi-generator;

· by Picazsoo was closed on Apr 28, 2026

[general-lib-upgrade] chore: update caffeine dependency version to 3.2.3 to resolve sun.misc.Unsafe warnings when running tasks

Status: Merged (completed).

OpenAPITools/openapi-generatornumber 23647

#23647 In OpenAPITools/openapi-generator;

· by Picazsoo was closed on Apr 28, 2026

[Fix][scala-sttp] Register JSON value type in importMapping to avoid model-package-prefixed import

Client: Scala

Issue: Bug

Status: Merged (completed).

OpenAPITools/openapi-generatornumber 23652

#23652 In OpenAPITools/openapi-generator;

· by nikhilsu was closed on Apr 29, 2026

[GRADLE-WRAPPER] feat: add configurable worker isolation and max heap size for code generation

Enhancement: Feature

OpenAPI Generator Gradle Plugin

Status: Merged (completed).

OpenAPITools/openapi-generatornumber 23648

#23648 In OpenAPITools/openapi-generator;

· by Picazsoo was closed on Apr 29, 2026

[java][spring] fix: disableDiscriminatorJsonIgnoreProperties not working

Issue: Bug

Server: Java

Server: Spring

Status: Merged (completed).

OpenAPITools/openapi-generatornumber 23640

#23640 In OpenAPITools/openapi-generator;

· by knikolos was closed on Apr 29, 2026

[KOTLIN]: add 'bestEffortBacktick' naming option for Kotlin enums

Client: Kotlin

Enhancement: Feature

Feature: Enum

Server: Kotlin

Status: Merged (completed).

OpenAPITools/openapi-generatornumber 23620

#23620 In OpenAPITools/openapi-generator;

· by Picazsoo was closed on Apr 29, 2026

[kotlin-client] preserve nullable list item types

Client: Kotlin

Issue: Bug

Status: Merged (completed).

OpenAPITools/openapi-generatornumber 23655

#23655 In OpenAPITools/openapi-generator;

· by walterbrebels was closed on Apr 30, 2026

[Kotlin][jvm-spring-restclient] make nullableReturnType type bound conditional in ApiClient

Client: Kotlin

Issue: Regression

Status: Merged (completed).

OpenAPITools/openapi-generatornumber 23657

#23657 In OpenAPITools/openapi-generator;

· by takkiraz was closed on Apr 30, 2026

[Java] [vertx] Make supportVertxFuture compatible with vertx 5

Client: Java

Enhancement: Compatibility

Status: Merged (completed).

OpenAPITools/openapi-generatornumber 23660

#23660 In OpenAPITools/openapi-generator;

· by RickyRister was closed on Apr 30, 2026

fix(jaxrs-spec): generate @Deprecated annotations (fixes #18941)

Enhancement: General

Server: Java

Status: Merged (completed).

OpenAPITools/openapi-generatornumber 23651

#23651 In OpenAPITools/openapi-generator;

· by anna-megalou was closed on Apr 30, 2026

Fix/csharp reserved headers and file parameter not serialising correctly

Client: C-Sharp

Issue: Bug

Status: Merged (completed).

OpenAPITools/openapi-generatornumber 23593

#23593 In OpenAPITools/openapi-generator;

· by BottlecapDave was closed on May 2, 2026

[jaxrs-spec][quarkus]: Emit @ResponseStatus annotation for 2XX success codes

Enhancement: General

Server: Java

Status: Merged (completed).

OpenAPITools/openapi-generatornumber 23673

#23673 In OpenAPITools/openapi-generator;

· by Ignacio-Vidal was closed on May 4, 2026

Fix Jspecify nullable issue with spring boot 4

Issue: Bug

Server: Java

Server: Spring

Status: Merged (completed).

OpenAPITools/openapi-generatornumber 23649

#23649 In OpenAPITools/openapi-generator;

· by JFCote was closed on May 3, 2026

Avoid blank lines in jaxrs-spec quarkus templates

Enhancement: General

Server: Java

Status: Merged (completed).

OpenAPITools/openapi-generatornumber 23682

#23682 In OpenAPITools/openapi-generator;

· by wing328 was closed on May 4, 2026

[csharp][restsharp] add throwOnAnyError option to surface client errors

Client: C-Sharp

Enhancement: Feature

Status: Merged (completed).

OpenAPITools/openapi-generatornumber 23663

#23663 In OpenAPITools/openapi-generator;

· by mjansrud was closed on May 4, 2026

update C# samples with throwOnAnyError enabled

Status: Merged (completed).

OpenAPITools/openapi-generatornumber 23685

#23685 In OpenAPITools/openapi-generator;

· by wing328 was closed on May 4, 2026

[BUG][JAVA][okhttp-gson] Skip validateJsonElement for $ref'd enum properties

Client: Java

Feature: Enum

Issue: Bug

Status: Merged (completed).

OpenAPITools/openapi-generatornumber 23669

#23669 In OpenAPITools/openapi-generator;

· by winrid was closed on May 4, 2026

[java] Support 'time-local' format

Client: Java

Enhancement: General

Server: Java

Status: Merged (completed).

OpenAPITools/openapi-generatornumber 23555

#23555 In OpenAPITools/openapi-generator;

· by Allsimon was closed on May 4, 2026