# Versioning Both 2.X and 3.X version lines of Swagger Codegen are available and are independently maintained. **NOTE:** version 2.X (`io.swagger`) and 3.X (`io.swagger.codegen.v3`) have **different** group ids. ## Swagger Codegen 2.X ||| |----|-----| |Version:| 2.X| |Repository branch:|[master](https://github.com/swagger-api/swagger-codegen/tree/master)| |groupId:| `io.swagger`| |Swagger/OpenAPI support:| 2.0| |maven central (maven plugin):|[swagger-codegen-maven-plugin](https://mvnrepository.com/artifact/io.swagger/swagger-codegen-maven-plugin)| dependency example: ```xml io.swagger swagger-codegen-maven-plugin 2.4.46 ``` ## Swagger Codegen 3.X ||| |----|-----| |Version:| 3.X| |Repository branch:|[3.0.0](https://github.com/swagger-api/swagger-codegen/tree/3.0.0)| |groupId:| `io.swagger.codegen.v3`| |Swagger/OpenAPI support:| 2.0 (_by using engine + generators of 2.X_), 3.0.X| |maven central:|[io.swagger.codegen.v3](https://mvnrepository.com/artifact/io.swagger.codegen.v3) dependency example: ```xml io.swagger.codegen.v3 swagger-codegen-maven-plugin 3.0.71 ```