### Version 8.6
* Adds base api support via single-inheritance interfaces
### Version 7.5/8.5
* Added possibility to leave slash encoded in path parameters
### Version 8.4
* Correct Retryer bug that prevented it from retrying requests after the first 5 retry attempts.
* **Note:** If you have a custom `feign.Retryer` implementation you now must now implement `public Retryer clone()` .
It is suggested that you simply return a new instance of your Retryer class.
### Version 8.3
* Adds client implementation for Apache Http Client
### Version 8.2
* Allows customized request construction by exposing `Request.create()`
* Adds JMH benchmark module
* Enforces source compatibility with animal-sniffer
### Version 8.1
* Allows `@Headers` to be applied to a type
### Version 8.0
* Removes Dagger 1.x Dependency
* Removes support for parameters annotated with `javax.inject.@Named` . Use `feign.@Param` instead.
* Makes body parameter type explicit.
### Version 7.4
* Allows `@Headers` to be applied to a type
### Version 7.3
* Adds Request.Options support to RibbonClient
* Adds LBClientFactory to enable caching of Ribbon LBClients
* Updates to Ribbon 2.0-RC13
* Updates to Jackson 2.5.1
* Supports query parameters without values
### Version 7.2
* Adds `Feign.Builder.build()`
* Opens constructor for Gson and Jackson codecs which accepts type adapters
* Adds EmptyTarget for interfaces who exclusively declare URI methods
* Reformats code according to [Google Java Style ](https://google-styleguide.googlecode.com/svn/trunk/javaguide.html )
### Version 7.1
* Introduces feign.@Param to annotate template parameters. Users must migrate from `javax.inject.@Named` to `feign.@Param` before updating to Feign 8.0.
* Supports custom expansion via `@Param(value = "name", expander = CustomExpander.class)`
* Adds OkHttp integration
* Allows multiple headers with the same name.
* Ensures Accept headers default to `*/*`
### Version 7.0
* Expose reflective dispatch hook: InvocationHandlerFactory
* Add JAXB integration
* Add SLF4J integration
* Upgrade to Dagger 1.2.2.
* **Note:** Dagger-generated code prior to version 1.2.0 is incompatible with Dagger 1.2.0 and beyond. Dagger users should upgrade Dagger to at least version 1.2.0, and recompile any dependency-injected classes.
### Version 6.1.3
* Updates to Ribbon 2.0-RC5
### Version 6.1.1
* Fix for #85
### Version 6.1.0
* Add [SLF4J ](http://www.slf4j.org/ ) integration
### Version 6.0.1
* Fix for BasicAuthRequestInterceptor when username and/or password are long.
### Version 6.0
* Support binary request and response bodies.
* Don't throw http status code exceptions when return type is `Response` .
### Version 5.4.0
* Add `BasicAuthRequestInterceptor`
* Add Jackson integration
### Version 5.3.0
* Split `GsonCodec` into `GsonEncoder` and `GsonDecoder` , which are easy to use with `Feign.Builder`
* Deprecate `GsonCodec`
* Update to Ribbon 0.2.3
### Version 5.2.0
* Support usage of `GsonCodec` via `Feign.Builder`
### Version 5.1.0
* Correctly handle IOExceptions wrapped by Ribbon.
* Miscellaneous findbugs fixes.
### Version 5.0.1
* `Decoder.decode()` is no longer called for `Response` or `void` types.
### Version 5.0
* Remove support for Observable methods.
* Use single non-generic Decoder/Encoder instead of sets of type-specific Decoders/Encoders.
* Decoders/Encoders are now more flexible, having access to the Response/RequestTemplate respectively.
* Moved SaxDecoder into `feign-sax` dependency.
* SaxDecoder now decodes multiple types.
* Remove pattern decoders in favor of SaxDecoder.
* Added Feign.Builder to simplify client customizations without using Dagger.
* Gson type adapters can be registered as Dagger set bindings.
* `Feign.create(...)` now requires specifying an encoder and decoder.
### Version 4.4.1
* Fix NullPointerException on calling equals and hashCode.
### Version 4.4
* Support overriding default HostnameVerifier.
* Support GZIP content encoding for request bodies.
* Support Iterable args for query parameters.
* Support urls which have query parameters.
### Version 4.3
* Add ability to configure zero or more RequestInterceptors.
* Remove `overrides = true` on codec modules.
### Version 4.2/3.3
* Document and enforce JAX-RS annotation processing from server POV
* Skip query template parameters when corresponding java arg is null
### Version 4.1/3.2
* update to dagger 1.1
* Add wikipedia search example
* Allow `@Path` on types in feign-jaxrs
### Version 4.0
* Support RxJava-style Observers.
* Return type can be `Observable<T>` for an async equiv of `Iterable<T>` .
* `Observer<T>` replaces `IncrementalCallback<T>` and is passed to `Observable.subscribe()` .
* On `Subscription.unsubscribe()` , `Observer.onNext()` will stop being called.
### Version 3.1
* Log when an http request is retried or a response fails due to an IOException.
### Version 3.0
* Added support for asynchronous callbacks via `IncrementalCallback<T>` and `IncrementalDecoder.TextStream<T>` .
* Wire is now Logger, with configurable Logger.Level.
* Added `feign-gson` codec, used via `new GsonModule()`
* changed codec to be similar to [WebSocket JSR 356 ](http://docs.oracle.com/javaee/7/api/javax/websocket/package-summary.html )
* Decoder is now `Decoder.TextStream<T>`
* BodyEncoder is now `Encoder.Text<T>`
* FormEncoder is now `Encoder.Text<Map<String, ?>>`
* Encoder and Decoders are specified via `Provides.Type.SET` binding.
* Default Encoder and Form Encoder is `Encoder.Text<Object>`
* Default Decoder is `Decoder.TextStream<Object>`
* ErrorDecoder now returns Exception, not fallback.
* There can only be one `ErrorDecoder` and `Request.Options` binding now.
### Version 2.0.0
* removes guava and jax-rs dependencies
* adds JAX-RS integration
### Version 1.1.0
* adds Ribbon integration
* adds cli example
* exponential backoff customizable via Retryer.Default ctor
### Version 1.0.0
* Initial open source release
