Major changes

• renamed the group id from com.softwaremill.sttp to com.softwaremill.sttp.client (organization)
• renamed the main package from com.softwaremill.sttp to sttp.client (see #288)
• renamed initial request from sttp to basicRequest
• reworked response-as (see #284)
  • asString now is an Either[String, String] not a String (no assumptions as to the error type)
  • all json integrations return an Either[ResponseError, B] body
• added websocket support

See also: sttp2: an overview of proposed changes and Websockets in Scala using sttp

Minor changes

• removed Request.parseResponseIf
• removed Response.unsafeBody
• redirect loops now throw an exception
• reduce import conflicts with cats:
  • rename Id to Identity (to make working w/ cats easier)
  • move MonadError to another package
• cats, zio, monix, scalaz backends now return results wrapped in IO/Task when creating a backend
• backend.close returns a F[Unit] - watch out if you are using lazy wrappers!
• StatusCode is a proper type
• Header is a proper type
• Multipart renamed to Part and generified
• asFile(overwrite) - removed the overwire parameter
• QueryFragment(Encoding) in Uri renamed to QuerySegment(Encoding)
• Uri.parse, Uri.apply removed, replaced with safeApply