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servant/servant-server/CHANGELOG.md

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[The latest version of this document is on GitHub.](https://github.com/haskell-servant/servant/blob/master/servant-server/CHANGELOG.md)
[Changelog for `servant` package contains significant entries for all core packages.](https://github.com/haskell-servant/servant/blob/master/servant/CHANGELOG.md)
0.16
----
- Rename `ServantError` to `ClientError`, `ServantErr` to `ServerError`
[#1131](https://github.com/haskell-servant/servant/pull/1131)
- *servant-server* Reorder HTTP failure code priorities
[#1103](https://github.com/haskell-servant/servant/pull/1103)
- *servant-server* Re-organise internal modules
[#1139](https://github.com/haskell-servant/servant/pull/1139)
- Allow `network-3.0`
[#1107](https://github.com/haskell-servant/servant/pull/1107)
0.15
----
- Streaming refactoring.
[#991](https://github.com/haskell-servant/servant/pull/991)
[#1076](https://github.com/haskell-servant/servant/pull/1076)
[#1077](https://github.com/haskell-servant/servant/pull/1077)
The streaming functionality (`Servant.API.Stream`) is refactored to use
`servant`'s own `SourceIO` type (see `Servant.Types.SourceT` documentation),
which replaces both `StreamGenerator` and `ResultStream` types.
New conversion type-classes are `ToSourceIO` and `FromSourceIO`
(replacing `ToStreamGenerator` and `BuildFromStream`).
There are instances for *conduit*, *pipes* and *machines* in new packages:
[servant-conduit](https://hackage.haskell.org/package/servant-conduit)
[servant-pipes](https://hackage.haskell.org/package/servant-pipes) and
[servant-machines](https://hackage.haskell.org/package/servant-machines)
respectively.
Writing new framing strategies is simpler. Check existing strategies for examples.
This change shouldn't affect you, if you don't use streaming endpoints.
- Drop support for GHC older than 8.0
[#1008](https://github.com/haskell-servant/servant/pull/1008)
[#1009](https://github.com/haskell-servant/servant/pull/1009)
- *servant* NewlineFraming encodes newline after each element (i.e last)
[#1079](https://github.com/haskell-servant/servant/pull/1079)
[#1011](https://github.com/haskell-servant/servant/issues/1011)
- *servant* Add `lookupResponseHeader :: ... => Headers headers r -> ResponseHeader h a`
[#1064](https://github.com/haskell-servant/servant/pull/1064)
- *servant-server* Add `MonadMask Handler`
[#1068](https://github.com/haskell-servant/servant/pull/1068)
- *servant* Export `GetHeaders'`
[#1052](https://github.com/haskell-servant/servant/pull/1052)
- *servant* Add `Bitraversable` and other `Bi-` instances for `:<|>`
[#1032](https://github.com/haskell-servant/servant/pull/1032)
- *servant* Add `PutCreated` method type alias
[#1024](https://github.com/haskell-servant/servant/pull/1024)
- *servant* Add `ToSourceIO (NonEmpty a)` instance
[#988](https://github.com/haskell-servant/servant/pull/988)
0.14.1
------
- Merge in `servant-generic` (by [Patrick Chilton](https://github.com/chpatrick))
into `servant` (`Servant.API.Generic`),
`servant-client-code` (`Servant.Client.Generic`)
and `servant-server` (`Servant.Server.Generic`).
- *servant-server* Deprecate `Servant.Utils.StaticUtils`, use `Servant.Server.StaticUtils`.
0.14
----
- `Stream` takes a status code argument
```diff
-Stream method framing ctype a
+Stream method status framing ctype a
```
([#966](https://github.com/haskell-servant/servant/pull/966)
[#972](https://github.com/haskell-servant/servant/pull/972))
- `ToStreamGenerator` definition changed, so it's possible to write an instance
for conduits.
```diff
-class ToStreamGenerator f a where
- toStreamGenerator :: f a -> StreamGenerator a
+class ToStreamGenerator a b | a -> b where
+ toStreamGenerator :: a -> StreamGenerator b
```
([#959](https://github.com/haskell-servant/servant/pull/959))
- Added `NoFraming` streaming strategy
([#959](https://github.com/haskell-servant/servant/pull/959))
- *servant-server* File serving in polymorphic monad.
i.e. Generalised types of `serveDirectoryFileServer` etc functions in
`Servant.Utils.StaticFiles`
([#953](https://github.com/haskell-servant/servant/pull/953))
- *servant-server* `ReqBody` content type check is recoverable.
This allows writing APIs like:
```haskell
ReqBody '[JSON] Int :> Post '[PlainText] Int
:<|> ReqBody '[PlainText] Int :> Post '[PlainText] Int
```
which is useful when handlers are subtly different,
for example may do less work.
([#937](https://github.com/haskell-servant/servant/pull/937))
0.13.0.1
--------
- Support `base-compat-0.10`
0.13
----
- Streaming endpoint support.
([#836](https://github.com/haskell-servant/servant/pull/836))
- *servant* Add `Servant.API.Modifiers`
([#873](https://github.com/haskell-servant/servant/pull/873))
0.12
----
### Breaking changes
* Added `hoistServer` member to the `HasServer` class, which is `HasServer`
specific `enter`.
([#804](https://github.com/haskell-servant/servant/pull/804))
0.11
----
### Breaking changes
* Changed `HasServer` instances for `Header` to throw 400 when parsing fails
([#724](https://github.com/haskell-servant/servant/pull/724))
* Added `headersD` block to `Delayed`
([#724](https://github.com/haskell-servant/servant/pull/724))
### Other changes
* Add `err418`, `err422` error codes
([#739](https://github.com/haskell-servant/servant/pull/739))
0.10
----
### Breaking changes
* `Handler` is now an abstract datatype. Migration hint: change `throwE` to `throwError`.
([#641](https://github.com/haskell-servant/servant/issues/641))
* Changed `HasServer` instances for `QueryParam` and `QueryParam` to throw 400
when parsing fails
([#649](https://github.com/haskell-servant/servant/pull/649))
### Other changes
* Added `paramsD` block to `Delayed`
* Add `err422` Unprocessable Entity
([#646](https://github.com/haskell-servant/servant/pull/646))
* Deprecate `serveDirectory` and introduce `serveDirectoryFileServer`,
`serveDirectoryWebApp`, `serveDirectoryWebAppLookup`, `serveDirectoryEmbedded`
and `serveDirectoryWith` which offer 4 default options and a more flexible
one for serving static files.
([#658](https://github.com/haskell-servant/servant/pull/658))
* `DelayedIO` is an instance of `MonadResource`, allowing safe resource handling.
([#622](https://github.com/haskell-servant/servant/pull/622)
, [#674](https://github.com/haskell-servant/servant/pull/674)
, [#675](https://github.com/haskell-servant/servant/pull/675))
0.7.1
------
* Remove module `Servant.Server.Internal.Enter` (https://github.com/haskell-servant/servant/pull/478)
* Support GHC 8.0
0.7
---
* The `Router` type has been changed. Static router tables should now
be properly shared between requests, drastically increasing the
number of situations where servers will be able to route requests
efficiently. Functions `layout` and `layoutWithContext` have been
added to visualize the router layout for debugging purposes. Test
cases for expected router layouts have been added.
* If an endpoint is discovered to have a non-matching "accept header",
this is now a recoverable rather than a fatal failure, allowing
different endpoints for the same route, but with different content
types to be specified modularly.
* Export `throwError` from module `Servant`
* Add `Handler` type synonym
0.6.1
-----
* If servers use the `BasicAuth` combinator and receive requests with missing or
invalid credentials, the resulting error responses (401 and 403) could be
overwritten by subsequent alternative routes. Now `BasicAuth` uses `FailFatal`
and the error responses can't be overwritten anymore.
0.6
---
* Query parameters that can't be parsed result in a `400` (was `404`).
0.5
---
* Add `Config` machinery (https://github.com/haskell-servant/servant/pull/327).
This is a breaking change, as the signatures of both `route`, `serve` and the
typeclass `HasServer` now take an additional parameter.
* Support for the `HttpVersion`, `IsSecure`, `RemoteHost` and `Vault` combinators
* Drop `EitherT` in favor of `ExceptT`
* Use `http-api-data` instead of `Servant.Common.Text`
* Remove matrix params.
* Remove `RouteMismatch`.
* Redefined constructors of `RouteResult`.
* Added `Delayed` and related functions (`addMethodCheck`, `addAcceptCheck`, `addBodyCheck`, `runDelayed`)
* Added support for Basic Authentication
* Add generalized authentication support via the `AuthServerData` type family and `AuthHandler` handler
0.4.1
-----
* Bump attoparsec upper bound to < 0.14
* Bump wai-app-static upper bound to < 3.2
* Bump either upper bound to < 4.5
0.4
---
* `Delete` now is like `Get`, `Post`, `Put`, and `Patch` and returns a response body
* Add a `RouteMismatch` constructor for arbitrary HTTP response codes (https://github.com/haskell-servant/servant-server/pull/22)
* Add support for the `Patch` combinator
* Support for `Accept`/`Content-type` headers and for the content-type aware combinators in *servant-0.4*
* Export `toApplication` from `Servant.Server` (https://github.com/haskell-servant/servant-server/pull/29)
* Support other Monads than just `EitherT (Int, String) IO` (https://github.com/haskell-servant/servant-server/pull/21)
* Make methods return status code 204 if they return () (https://github.com/haskell-servant/servant-server/issues/28)
* Add server support for response headers
* Use `ServantErr` instead of `(Int,String)` in `EitherT` handlers
* Add `errXXX` functions for HTTP errors with sensible default reason strings
* Add `enter` function for applying natural transformations to handlers
0.2.4
-----
* Added support for matrix parameters, see e.g. http://www.w3.org/DesignIssues/MatrixURIs.html
* Add support for serializing based on Accept header
(https://github.com/haskell-servant/servant-server/issues/9)
* Ignore trailing slashes
(https://github.com/haskell-servant/servant-server/issues/5)
0.2.3
-----
* Fix consuming request body issue
(https://github.com/haskell-servant/servant/issues/3)
* Make code sample in Servant.Server complete
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