retrofit

Changed

• Upgrade to OkHttp 4.12 (from 3.14).

  This is the version of OkHttp that is written in Kotlin, and as a result Retrofit now has a transitive Kotlin dependency. However, this is also the supported version of OkHttp whereas the previous version was out of support for nearly 4 years.

Note: The 3.x versions of Retrof...

New

• First-party converters now support deferring serialization to happen when the request body is written (i.e., during HTTP execution) rather than when the HTTP request is created. In some cases this moves conversion from a calling thread to a background thread, such as in the case when using Call.enqueue directly.

  Th...

New

• The built-in OptionalConverterFactory is now public to allow installing it before other converters which consume all types (e.g., Moshi, Gson, Jackson, etc.).

Fixed

• Ensure that exceptions thrown from failure to parse method annotations can be observed by multiple threads/callers. Previously only the first caller would see the actual parsing exception and other callers would...

New

• Support using Unit as a response type. This can be used for non-body HTTP methods like HEAD or body-containing HTTP methods like GET where the body will be discarded without deserialization.

• kotlinx.serialization converter!

  This was imported from [github.com/JakeWharton/retrofit2-kotlinx-serialization-converter/](https://github.com/JakeWharton/retrofit2-kotlinx-serializati...