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Prepare for the 1.0.0-MF release #1702

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22 changes: 21 additions & 1 deletion AUTHORS.md
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Expand Up @@ -33,6 +33,7 @@ possible:
* Arya Irani
* Ash Pook
* Aλ
* Ben Fradet
* Ben Hutchison
* Benjamin Thuillier
* Binh Nguyen
Expand All @@ -53,7 +54,9 @@ possible:
* David Allsopp
* David Gregory
* Denis Mikhaylov
* Denis
* Derek Wickern
* Diego Esteban Alonso Blas
* Earl St Sauver
* Edmund Noble
* Eric Torreborre
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* Eugene Burmako
* Eugene Yokota
* Fabian Schmitthenner
* Fabio Labella
* Feynman Liang
* Frank S. Thomas
* Giulio De Luise
* Greg Pfeil
* Guillaume Massé
* Hamish Dickson
* Ian McIntosh
* ImLiar
* Israel Pérez González
* Itamar Ravid
* Jan-Hendrik Zab
* Jean-Rémi Desjardins
* Jens
* Jisoo Park
* João Ferreira
* John Sullivan
* Jon Hanson
* Jose Emilio Labra Gayo
* Joseph Abrahamson
* Josh Marcus
* Juan Pedro Moreno
* Julien Richard-Foy
* Julien Truffaut
* Kailuo Wang
* Kenji Yoshida
* Leandro Bolivar
* Lars Hupel
* Long Cao
* Luis Angel Vicente Sanchez
* Luis Sanchez
* LukaJCB
* Luke Wyman
* Madder
* Marc Siegel
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* Michael Pilquist
* Mike Curry
* Miles Sabin
* n4to4
* Olivier Blanvillain
* Olli Helenius
* Owen Parry
* P. Oscar Boykin
* Paolo G. Giarrusso
* Pascal Voitot
* Paul Phillips
* Pavkin Vladimir
* Pepe García
* Pere Villega
* Peter Neyens
* Peter Perhac
* Philip Wills
* Rafa Paradela
* Raúl Raja Martínez
* RawToast
* Richard Miller
* Rintcius Blok
* Rob Norris
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* Ryan Case
* Sam Ritchie
* Sarunas Valaskevicius
* Shohei Kamimori
* Shunsuke Otani
* Simeon H. K. Fitch
* Sinisa Louc
* Stephen Carman
* Stephen Judkins
* Stew O'Connor
* Sumedh Mungee
* Takayuki Sakai
* Taylor Brown
* Tom Switzer
* Tomas Mikula
* Travis Brown
* Vladimir Samoylov
* Wedens
* Xavier Fernández Salas
* Yosef Fertel
* yilinwei
* Yilin Wei
* Zach Abbott
* zainab-ali

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171 changes: 169 additions & 2 deletions CHANGES.md
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## Version 0.9.0

## Version 1.0.0-MF

> 2017 June 3

`MF` stands for milestone final. This is the last non-RC release before 1.0.0.
The main purpose/focus of this release is to offer a relatively stable API to
work with prior to 1.0.0. It can be deemed as a proposal for the final API
we are going to maintain binary compatibiliy after 1.0.
We will give community some time to validate it before we release 1.0.0-RC1.

### To migrate from 0.9.0

We apologize for the number of breaking changes in this release. We are trying to include
as many breaking changes as possible in this release before we lock down the API.

* `cats` no longer publish the all-inclusive bundle package `"org.typelevel" % "cats"`, use `cats-core`, `cats-free`, or `cats-law`
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Should it be "publishes" ?

accordingly instead. If you need `cats.free`, use `"org.typelevel" % "cats-free"`, if you need `cats-laws` use
`"org.typelevel" % "cats-laws"`, if neither, use `"org.typelevel" % "cats-core"`.
* `cats.free.Inject` is moved from `cats-free` to `cats-core` and renamed to `cats.InjectK`;
`cats.data.Prod` is renamed to `cats.data.Tuple2K`; `cats.data.Coproduct` is renamed to
`cats.data.EitherK`
* All `Unapply` enabled methods, e.g. `sequenceU`, `traverseU`, etc. are removed. `Unapply`
enabled syntax ops are also removed. Please use the partial unification SI-2712 fix
instead. The easiest way might be this [sbt-plugin](https://github.com/fiadliel/sbt-partial-unification).
* `FunctorFilter`, `MonadCombine`, `MonadFilter`, `MonadReader`, `MonadState`, `MonadTrans`, `MonadWriter` and `TraverseFilter` are no longer in `cats`, the functionalities they provided are inhereted by the new [cats-mtl](https://github.com/edmundnoble/cats-mtl) project. Please check [here](https://github.com/edmundnoble/cats-mtl#migration-guide) for migration guide.
* `CartesianBuilder` (i.e. `|@|`) syntax is deprecated, use the apply syntax on tuples instead. E.g. `(x |@| y |@| z).map(...)` should be replaced by `(x, y, z).mapN(...)`
* The creation methods (`left`, `right`, `apply`, `pure`, etc.) in `EitherT` were improved to take less
type arguments.
* Several `cats-core` type class instances for `cats.kernel` were moved from their companion objects to separate traits
and thus require imports from `cats.instances.xxx._` (or the recommended `import cats.implicits._`) now. See #1659 for more details.
* `Free.suspend` is renamed to `Free.defer` for consistency.
* `traverse1_`, `intercalate1` and `sequence1_` in `Reducible` were renamed to `nonEmptyTraverse_`, `nonEmptyIntercalate` and `nonEmptySequence_` respectively.
* `foldLeftM` is removed from `Free`, use `foldM` on `Foldable` instead, see #1117 for detail.
* `iteratorFoldM` was removed from `Foldable` due to #1716
* Apply syntax on tuple (e.g. `(x, y, z).map3(...)`) was moved from `cats.syntax.tuple._` to `cats.syntax.apply._` and renamed to `mapN`, `contramapN` and `imapN` respectively.
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Should we move this up to after the related CartesianBuilder deprecation bullet?

* `Split` is removed, and the method `split` is moved to `Arrow`. Note that only under `CommutativeArrow` does it guarantee the non-interference between the effects. see #1567


### Breaking Changes:

* [#1614](https://github.com/typelevel/cats/pull/1614): added `leftT` and improved existing lift API for `EitherT`. by @kailuowang
* [#1596](https://github.com/typelevel/cats/pull/1596): Rename `Inject` to `InjectK`. by @andyscott
* [#1589](https://github.com/typelevel/cats/pull/1589): Rename `Prod`, `Coproduct` to `Tuple2K` and `EitherK`. by @kailuowang
* [#1583](https://github.com/typelevel/cats/pull/1583): Enable SI-2712 fix in cats / Remove unapply machinery. by @kailuowang
* [#1679](https://github.com/typelevel/cats/pull/1679): remove `Unapply` class. by @kailuowang
* [#1557](https://github.com/typelevel/cats/pull/1557): Improvements to `Inject`. @sellout
* [#1659](https://github.com/typelevel/cats/pull/1659): move instances into separate trait. by @yilinwei
* [#1709](https://github.com/typelevel/cats/pull/1709): Rename `suspend` to `defer`. by @peterneyens
* [#1611](https://github.com/typelevel/cats/pull/1611): Renamed `traverse1_`, `intercalate1` and `sequence1_` in `Reducible`. by @LukaJCB
* [#1117](https://github.com/typelevel/cats/pull/1117): `foldLeftM` without `Free`. by @TomasMikula
* [#1487](https://github.com/typelevel/cats/pull/1487): `Apply` syntax for tuples. by @DavidGregory084
* [#1745](https://github.com/typelevel/cats/pull/1745): Deprecate `CartesianBuilder`. by @kailuowang
* [#1758](https://github.com/typelevel/cats/pull/1758): stop publishing cats all bundle , start to publish cats-testkit. by @kailuowang
* [#1766](https://github.com/typelevel/cats/pull/1766): Replace `Split` with `CommutativeArrow`, introduces `CommutativeMonad`. by @diesalbla
* [#1751](https://github.com/typelevel/cats/pull/1751): Removed `FunctorFilter`, `MonadCombine`, `MonadFilter`, `MonadReader`, `MonadState`, `MonadTrans`, `MonadWriter`, `TraverseFilter`. by @edmundnoble

### New Features (API, instances, data types, etc):

* [#1707](https://github.com/typelevel/cats/pull/1707): Add NEL/NEV one. by @peterneyens
* [#1680](https://github.com/typelevel/cats/pull/1680): ~~`MonadTrans` instance for RWST and make `MonadTrans` serializable.~~ by @wedens
* [#1658](https://github.com/typelevel/cats/pull/1658): Add `Validated.validNel`. by @edmundnoble
* [#1651](https://github.com/typelevel/cats/pull/1651): Add state method to `MonadState`. by @oskoi
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Should we "strike trough" this as well, like the MonadTrans improvements bullet above?

* [#1628](https://github.com/typelevel/cats/pull/1628): add init and size methods to `NonEmptyList`. by @jtjeferreira
* [#1612](https://github.com/typelevel/cats/pull/1612): Add ensureWith to `Validated` and `Either` (#1550). by @LukaJCB
* [#1598](https://github.com/typelevel/cats/pull/1598): Implement a `ReaderWriterStateT` data type . by @iravid
* [#1706](https://github.com/typelevel/cats/pull/1706): Clean up `ReaderWriterStateT`. by @peterneyens
* [#1594](https://github.com/typelevel/cats/pull/1594): Add `NonEmptyList#fromFoldable`. by @markus1189
* [#1611](https://github.com/typelevel/cats/pull/1611): Added `NonEmptyTraverse`. by @LukaJCB
* [#1592](https://github.com/typelevel/cats/pull/1592): added instances of `BitSet` to `allInstances`. by @kailuowang
* [#1586](https://github.com/typelevel/cats/pull/1586): Add `Applicative.unit`. by @alexandru
* [#1584](https://github.com/typelevel/cats/pull/1584): Move arbitrary instance of `StateT` to laws. by @kailuowang
* [#1580](https://github.com/typelevel/cats/pull/1580): add `groupBy` to `NonEmptyList` and `groupByNel` to `List` syntax @julien-truffaut
* [#1578](https://github.com/typelevel/cats/pull/1578): add `last`, `sortBy` and `sorted` to `NonEmptyList`. by @julien-truffaut
* [#1571](https://github.com/typelevel/cats/pull/1571): added `whileM`, `untilM`, `iterateWhile`, etc to `Monad` . by @tpolecat & @kailuowang
* [#1548](https://github.com/typelevel/cats/pull/1548): `MonadError` instance for `Ior`. by @leandrob13
* [#1543](https://github.com/typelevel/cats/pull/1543): `MonadError` instance for `Kleisli`. by @durban
* [#1540](https://github.com/typelevel/cats/pull/1540): `Ior` syntax. by @leandrob13
* [#1537](https://github.com/typelevel/cats/pull/1537): Add `FlatMap.forEffect`. by @cranst0n
* [#1531](https://github.com/typelevel/cats/pull/1531): Add piecemeal import for `MonadError`. by @peterneyens
* [#1526](https://github.com/typelevel/cats/pull/1526): `Inject` for free programs. by @tpolecat
* [#1464](https://github.com/typelevel/cats/pull/1464): Adding `get` for `Foldable`. by @yilinwei
* [#1602](https://github.com/typelevel/cats/pull/1602): Stack-safe `Coyoneda`. by @edmundnoble
* [#1725](https://github.com/typelevel/cats/pull/1725): Add `InjectK` laws. by @andyscott
* [#1728](https://github.com/typelevel/cats/pull/1728): Adds an `As` class which represents subtyping relationships (`Liskov`). by @stew
* [#1178](https://github.com/typelevel/cats/pull/1178): Add `Is` constructor for Leibniz equality. by @tel
* [#1611](https://github.com/typelevel/cats/pull/1611): Add `NonEmptyTraverse` typeclass. by @LukaJCB
* [#1736](https://github.com/typelevel/cats/pull/1736): Added `StackSafeMonad` mixin. by @djspiewak
* [#1600](https://github.com/typelevel/cats/pull/1600): `Inject` for `Either`. by @andyscott
* [#1746](https://github.com/typelevel/cats/pull/1746): Add `EitherNel` type alias for `Either[NonEmptyList[E], A]`. by @andyscott
* [#1670](https://github.com/typelevel/cats/pull/1670): Add `Order`-> `Ordering` implicit conversion to implicits, instances. by @edmundnoble
* [#1649](https://github.com/typelevel/cats/pull/1649): Make `Show` inherit from a contravariant base trait for `show` string interpolator to be covariant. by @edmundnoble
* [#1761](https://github.com/typelevel/cats/pull/1761): Add index related helpers to `Traverse`. by @andyscott
* [#1769](https://github.com/typelevel/cats/pull/1769): Add `Kleisli` `tap`, `tapWith`. by @tpolecat
* [#1739](https://github.com/typelevel/cats/pull/1739): Add `onError` and `adaptError` to `ApplicativeError`/`MonadError`. by @SystemFw
* [#1644](https://github.com/typelevel/cats/pull/1644): Add `MonadError` instance for `EitherT` that recovers from `F[_]` errors. by @leandrob13
* [#1748](https://github.com/typelevel/cats/pull/1748): Stack-safe `FreeAppplicative`. by @edmundnoble
* [#1516](https://github.com/typelevel/cats/pull/1516): Implement `NonEmptyList#Collect` . by @xavier-fernandez


### Code improvements:

* [#1660](https://github.com/typelevel/cats/pull/1660): Override `fromTry` and `fromEither` for `Try` and `Either`. by @peterneyens
* [#1642](https://github.com/typelevel/cats/pull/1642): Unseal `InjectK` to allow for extension by other libraries. by @andyscott
* [#1641](https://github.com/typelevel/cats/pull/1641): Make `InjectK` use `FunctionK.id` for reflexive injection. by @andyscott
* [#1618](https://github.com/typelevel/cats/pull/1618): Override some methods in `Kleisli` instances. by @peterneyens
* [#1532](https://github.com/typelevel/cats/pull/1532): Override `Foldable` methods. by @peterneyens
* [#1456](https://github.com/typelevel/cats/pull/1456): Consistency for ops classes. by @edmundnoble
* [#1631](https://github.com/typelevel/cats/pull/1631): make all `PartialApplied` class value class to achieve zero cost. by @kailuowang
* [#1696](https://github.com/typelevel/cats/pull/1696): Make `syntax.show` extend `ShowSyntax` instead of `Show.ToShowOps`. by @edmundnoble

### Bug fixes:

* [#1735](https://github.com/typelevel/cats/pull/1735): `StateT` no longer violates laws. by @djspiewak
* [#1740](https://github.com/typelevel/cats/pull/1740): removed `iteratorFoldM`. by @kailuowang

### Other miscellaneous improvements (documentation, tests, build):

* [#1699](https://github.com/typelevel/cats/pull/1699): Link to sbt-partial-unification plugin . by @Blaisorblade
* [#1698](https://github.com/typelevel/cats/pull/1698): Update gitter chat room name to cats-dev. . by @kailuowang
* [#1695](https://github.com/typelevel/cats/pull/1695): update ETA for 1.0.0 . by @kailuowang
* [#1604](https://github.com/typelevel/cats/pull/1604): Add tut doc for `FunctionK` . by @ceedubs
* [#1691](https://github.com/typelevel/cats/pull/1691): Build JVM before JS on travis. by @peterneyens
* [#1677](https://github.com/typelevel/cats/pull/1677): Update readme with the new dev channel.. by @kailuowang
* [#1673](https://github.com/typelevel/cats/pull/1673): Use 2 workers in JVM build. by @ceedubs
* [#1671](https://github.com/typelevel/cats/pull/1671): Fixing `Eq[Function1]` in testsJS; break JS build to separate matrix build. by @kailuowang
* [#1666](https://github.com/typelevel/cats/pull/1666): Use `Cogen` for arbitrary instances. by @ceedubs
* [#1654](https://github.com/typelevel/cats/pull/1654): Update Circe URL. by @n4to4
* [#1653](https://github.com/typelevel/cats/pull/1653): Fix typo in `FreeApplicative` doc.. by @takayuky
* [#1647](https://github.com/typelevel/cats/pull/1647): Adds Freestyle to `Related Projects` list. by @raulraja
* [#1638](https://github.com/typelevel/cats/pull/1638): Make simulacrum a compile time only dependency. by @peterneyens
* [#1637](https://github.com/typelevel/cats/pull/1637): show(f:T) to show(t:T). by @PeterPerhac
* [#1636](https://github.com/typelevel/cats/pull/1636): added some category theory into `FunctionK` document. by @kailuowang
* [#1632](https://github.com/typelevel/cats/pull/1632): upgraded to scala 2.12.2 and 2.11.11 and scalaJs. by @kailuowang
* [#1629](https://github.com/typelevel/cats/pull/1629): add unit test for variance on methods in `EitherT`. by @jtjeferreira
* [#1622](https://github.com/typelevel/cats/pull/1622): Update `Discipline` and `ScalaTest`. by @peterneyens
* [#1615](https://github.com/typelevel/cats/pull/1615): Fix doc for `InvariantMonoidal`. by @BenFradet
* [#1609](https://github.com/typelevel/cats/pull/1609): Include `Id` docs in the menu. by @ceedubs
* [#1591](https://github.com/typelevel/cats/pull/1591): Improve test coverage. by @peterneyens
* [#1590](https://github.com/typelevel/cats/pull/1590): Check monad laws for `Cokleisli`. by @peterneyens
* [#1588](https://github.com/typelevel/cats/pull/1588): Docs/Tutorial -- Simplify `Kleisli` example. by @RawToast
* [#1581](https://github.com/typelevel/cats/pull/1581): restore the alphabetical order of maintainers list. by @kailuowang
* [#1575](https://github.com/typelevel/cats/pull/1575): minor improvements to `tailRecM` doc. by @kailuowang
* [#1570](https://github.com/typelevel/cats/pull/1570): fixed a paragraph order. by @kailuowang
* [#1566](https://github.com/typelevel/cats/pull/1566): Fix mistake in documentation of `Group.remove`. by @LukaJCB
* [#1563](https://github.com/typelevel/cats/pull/1563): Remove references of the NEL `OneAnd` alias. by @peterneyens
* [#1561](https://github.com/typelevel/cats/pull/1561): Fix incorrect numbering in `FreeMonads` doc. by @cb372
* [#1555](https://github.com/typelevel/cats/pull/1555): fix scala.js badge version. by @xuwei-k
* [#1551](https://github.com/typelevel/cats/pull/1551): added `MonadError` and `ApplicativeError` to hierarchy diagram. by @kailuowang
* [#1547](https://github.com/typelevel/cats/pull/1547): fix ref to non-existent dir in contributing. by @sullivan-
* [#1546](https://github.com/typelevel/cats/pull/1546): add to `Monad` `ifM` example. by @sullivan-
* [#1545](https://github.com/typelevel/cats/pull/1545): fix scaladoc for `Eval` methods `Unit`, `True`, `False`, `Zero`, `One`. by @sullivan-
* [#1541](https://github.com/typelevel/cats/pull/1541): Switch from CrossVersion.full to CrossVersion.patch for TLS compatibi…. by @milessabin
* [#1530](https://github.com/typelevel/cats/pull/1530): add a favicon for sbt-microsite. by @larsrh
* [#1529](https://github.com/typelevel/cats/pull/1529): Fix typo in `Applicative` doc.. by @cranst0n
* [#1525](https://github.com/typelevel/cats/pull/1525): Remove link to apply.html from menu. by @Leammas
* [#1693](https://github.com/typelevel/cats/pull/1693): Clean up EitherT doctests. by @peterneyens
* [#1697](https://github.com/typelevel/cats/pull/1697): Added two links to the learner page. by @kailuowang
* [#1726](https://github.com/typelevel/cats/pull/1726): Add underscore.io Advanced Scala with Cats. by @DieBauer
* [#1718](https://github.com/typelevel/cats/pull/1718): Fixed some things in the build. by @djspiewak
* [#1734](https://github.com/typelevel/cats/pull/1734): update sbt. by @jyane
* [#1737](https://github.com/typelevel/cats/pull/1737): Rewrote documentation on the IO monad to reference cats-effect. by @djspiewak
* [#1744](https://github.com/typelevel/cats/pull/1744): Make links link to the `.html` files instead of `.md`. by @LukaJCB
* [#1759](https://github.com/typelevel/cats/pull/1759): Faster tests by reducing the size of lists. @peterneyens
* [#1760](https://github.com/typelevel/cats/pull/1760): Decrease stack-safety test size. by @edmundnoble
* [#1752](https://github.com/typelevel/cats/pull/1752): More coverage. by @edmundnoble
* [#1472](https://github.com/typelevel/cats/pull/1472): Using regular syntax in the FreeApplicative tutorial. by @denisftw
* [#1565](https://github.com/typelevel/cats/pull/1565): added instance table to docs, enhanced typeclass diagram. by @kailuowang
* [#1573](https://github.com/typelevel/cats/pull/1573): Add symbols to FAQ. by @zainab-ali

> 2017 January 15

The biggest user-facing change in this release is to the behavior of the `flatMap` (and related methods) provided by `EitherOps` for the standard library's `Either` for Scala 2.10 and 2.11. These methods now match the behavior of the `flatMap` on `Either` in Scala 2.12 in that they don't require the left-hand side types to match.
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