First official 3.0.0 release of swagger-codegen with OpenAPI 3 support.

NOTE: artifact groupId and root package of modules have been updated since 3.0.0-RC1 (#8431); the new groupId is io.swagger.codegen.v3 and the new root package is io.swagger.codegen.v3

Supported V3 generators

• dynamic-html
• html
• html2
• java
• jaxrs-cxf-client
• jaxrs-cxf
• inflector
• jaxrs-cxf-cdi
• jaxrs-spec
• jaxrs-jersey
• jaxrs-di
• jaxrs-resteasy-eap
• jaxrs-resteasy
• spring
• openapi
• openapi-yaml
• kotlin-client
• kotlin-server
• php
• swift3
• swift4
• typescript-angular

Notable features

• groupId and package renaming #8431
• allow capability to generate templates with mustache engine #8618
• refactored online generator (swagger-generator) supporting V3 generators for V3 and V2 converted specs, and V2 generators for V2 specs (#8524). Provides also web UI and advanced docker image (swaggerapi/swagger-generator-v3). See also readme
• [JAVA] OAS 3.0 - Support both OAS 3.0 and Swagger 1.5.x / OAS 2.x annotations in affected java generators swagger-codegen-generators issue #90
• Supports jdk 9+ build
• Ability to specify output json/yaml filename #8480

Notable bug fixes:

• Fixed template path resolvement to work also on Windows OS #8284

• Fixed DefaultGenerator.getHandleBars to not use a regex string for the templateDir #8246

• java.util.regex.PatternSyntaxException: Illegal/unsupported escape sequence near index 3 #8273

• refactor getHandlebars method to handle properly files paths #8327

• DefaultCodegenConfig - CodegenProperty minimum and maximum is not set for NumberSchema swagger-codegen-generators issue #80

• All operation parameters are incorrectly marked as enums swagger-codegen-generators issue #97

• Updated samples fixing various issues

• [JAVA] Request body's of multipart/form-data requests are ignored by at least all Java generators swagger-codegen-generators issue #148

• [JAVA] Port #6852 to 3.0.0 : need to expose getters / setters for readTimeout and writeTimeout values on the generated java clients #8193

• [JAXRS-CXF-CDI] Invalid argument on OAS 3.0 annotation @parameter swagger-codegen-generators issue #132

• [JAXRS-RESTEAST-EAP]Build fail for JavaResteasyEapServerCodegen output swagger-codegen-generators issue #141

• [JAXRS-JERSEY] @patch not found swagger-codegen-generators issue #142

• [KOTLIN] HandlebarsException in kotlin-client #8300

• [SPRING] Spring-MVC CamelCase or underscore - not both. 3.0 codegen #8330

• [SPRING] Duplicate "is" in boolean getter method names swagger-codegen-generators issue #91

• [SPRING] @JsonTypeInfo property not set to Discriminator propertyName swagger-codegen-generators issue #103

• [SPRING] @JsonTypeId not set on discriminator property causing serialization issues swagger-codegen-generators issue #105

• [PHP] php syntax error swagger-codegen-generators issue #121