OpenAPI Generator Files

v7.22.0 stable release comes with 150+ enhancements and bug fixes.

Below are the highlights of the changes. For a full list of changes, please refer to the "Pull Request" tab.

General

• refactor: centralize common schema checks in ModelUtils [#23608]
• [CORE] : BUGFIX - prevent Stream closed on concurrent JAR access in TemplateManager [#23596]
• Improve OneOf handling with new normalizer REPLACE_ONE_OF_BY_DISCRIMINATOR_MAPPING [#23543]
• ci: upload openapi-generator-cli.jar as GitHub Release asset [#23524]
• fix: preserve parent description when simplifying nullable anyOf/oneOf [#23361]
• [GRADLE-PLUGIN] - Modernize plugin to use Lazy Configuration API [#23042]

C

• [csharp][generichost] Fix TokenBase race condition [#23356]
• [csharp][generichost] Fix possible concatentation bug [#23355]
• [csharp][generichost] Fix invalid implicit cast [#23344]
• [csharp][generichost] Treat warnings as errors [#23343]
• [csharp][generichost] Fix dateTimeOffset bug [#23342]
• Marking a class abstract should not mark the methods abstract as well [#23291]
• [csharp][generichost] Multiple oauth tokens [#23264]
• [csharp] Support null types [#23260]

Crystal

• [crystal] Fix empty auth_settings Hash literal [#23625]

Dart

• [dart-dio] Fix json_serializable serialize template to support hasFormParams [#23579]
• Fix wrong import statements in dart-dio when using import-mappings [#23571]
• fix: Change Dart Serializer for MapBuilder to be nullable [#23460]
• feat(dart-dio): add methods to remove auth tokens in api client [#23386]

Go

• feat(go): add enumUnknownDefaultCase config option [#23417]

Java

• Correct imports for RxJava2 and RxJava3. Add support for Vert.x 5. [#23563]
• add support for sealed response interfaces for spring-declarative-http-interface [#23549]
• [Java][jersey3] Add error entity deserialization to ApiException [#23542]
• [Java] [apache-httpclient] Add support for Jackson3 for apache httpclient generator [#23446]
• [Java][WebClient][RestClient] Standardize useAbstractionForFiles behavior to use Resource interface [#23382]
• feat(spring): enable openApiNullable with useJackson3 [#23331]
• [java] [Spring] useJspecify for java clients and spring generator [#23256]

Kotlin

• [KOTLIN-SPRING;JAVA-SPRING] chore: upgrade spring boot 3 to 3.3.13 version [#23591]
• [KOTLIN-SPRING] Add oneOf sealed interface support with discriminator [#23574]
• fix [Kotlin]: handle nullable response.body in jvm-okhttp ApiClient [#23515]
• [kotlin-server] Fix class names for useTags [#23441]
• fix(kotlin-spring): use Jackson 3 annotation package in model imports [#23406]

PHP

• [PHP] Support map/object format for x-enum-varnames and x-enum-descriptions [#23540]
• fix(php-symfony): enum $ref query params — short types and imports (#23521) [#23525]
• [php-nextgen] Fix validity checks for nullable properties that are required [#23419]
• [php-nextgen] Remove invalid @implements ArrayAccess tag in models with parents [#23418]
• [Php] Fix form data field names to use spec-defined baseName [#23347]
• [php-nextgen]: Fix imports for models with parent schema [#23317]
• [php-nextgen]: Fix ArrayAccess parameter types [#23315]

PowerShell

• [POWERSHELL] fix: single-quote DTO property names to prevent $-variable interpolation [#23624]
• [PowerShell] Correct comment syntax in array query parameters [#23491]

Python

• [PYTHON][bugfix] Fix python model dict array generation [#23538]
• [PYTHON][bugfix] Fix missing post-params when content type is json [#23526]
• [python] Add buildSystem option to support hatchling [#23483]
• fix(python): Fix sanitize_for_serialization code generation for python client [#23415]
• Drop python 3.9 and support python 3.14 in python generator [#22926]

Rust

• fix(rust): use serde_repr for integer property enums [#23580]
• [rust-axum] Fix uint32/uint64 type mapping [#23547]
• feat(rust-server): refactor server module templates to avoid a monolithic run function. [#23432]
• Feat: (Rust) Added chrono (date/date-time) support for Rust Generator [#23451]

Scala

• [Fix][scala-sttp][circe] Add Base64OrArrayByteDecoder for format:byte and format:binary JSON properties [#23619]
• [Fix][scala-sttp][circe] Add NaN-tolerant Decoder[Double] for non-finite values [#23611]
• [feat][scala-sttp] Add oneOf and allOf discriminator support with sealed traits for circe generator [#23510]
• Mark scala-finch generator as deprecated [#23484]
• [Fix][scala-sttp][circe] Circe codecs do not preserve original JSON field names for non-camelCase properties [#23465]

Swift

• [swift6] fix map nullable values [#23629]

TypeScript

• Update axios to 1.15.2 [#23637]
• fix(typescript-angular): handle Set in query parameter serialization [#23442]
• fix(typescript-fetch): prevent HTML-escaping of pattern in validationAttributes [#23420]
• [typescript-*]: Improve literal regexp for JSON MIME-type [#23319]
• fix(typescript-fetch): remove barrel imports [#22706]