3.0.20 release of swagger-codegen with OpenAPI 3 support.

Supported V3 generators

• go (new, experimental)

• typescript-fetch (new, experimental)

• r (new, experimental)

• swift5 (experimental)

• javascript (experimental)

• micronaut (experimental)

• go-server (experimental)

• akka-scala (experimental)

• nodejs (updated)

• 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

• scala

• aspnetcore

• csharp

• csharp-dotnet2 (DEPRECATED)

• python

• python-flask (experimental)

Notable changes:

• ASPNET sample update (#10249)

• Flatten inline composed schema (#10204)

• docs: standalone generator development (#10238)

• Add option for resolveFully (#10200)

• allow skip alias for models in csharp generator (#10191)

• update swagger parser versions (#10189)

• updated aspnetcore samples (#10165)

• Go samples (#10155)

• added python sample. (#9793)

• Spring samples update (#9607)

• added capability to work with language argument options on service (#9532)

• added bearer checks to be used in templates. (#9423)

• Samples update oas3 (#8510)

• set pretty print option to remove extra spaces. (#8499)

• added sample for oas 3. (#8322)

• Mustache template removing (swagger-codegen-generators PR 680)

• Change expressions with 'file' type to 'binary' type (swagger-codegen-generators PR 185)

• Handle the schema types 'file' and 'binary' identical (swagger-codegen-generators PR 184)

• add generator result test utils - add Java generator result test draft for composed schemas (swagger-codegen-generators PR 677)

• Added support for .NetCore 3 & Swashbuckle 5 (swagger-codegen-generators PR 502)

• Fixed wrong form parameters (swagger-codegen-generators PR 671)

• Go client codegen (swagger-codegen-generators PR 641)

• decoded schema name on request body to fix issue. (swagger-codegen-generators PR 665)

• fixed empty payload issue on python rest templates (swagger-codegen-generators PR 662)

• Codegen issue 10197 (swagger-codegen-generators PR 657)

• updated type mappings for javascript generator in order to fix issue (swagger-codegen-generators PR 656)

• Migrate typescript-fetch from v2 to v3 (swagger-codegen-generators PR 653)

• find referenced schemas for schema type method (swagger-codegen-generators PR 651)

• update-swagger-parser-version (swagger-codegen-generators PR 650)

• [javascript] quote model member keys (swagger-codegen-generators PR 646)

• fix: js supporting files (swagger-codegen-generators PR 639)

• fixed custom templates location for nodejs generator (swagger-codegen-generators PR 644)

• tweaked some aspnet templates (swagger-codegen-generators PR 643)

• Dot net 3 support (swagger-codegen-generators PR 642)