# Changelog

> **Tags:**
>
> - [New Feature]
> - [Bug Fix]
> - [Breaking Change]
> - [Documentation]
> - [Internal]
> - [Polish]
> - [Experimental]
> - [Deprecation]

**Note**: Gaps between patch versions are faulty/broken releases. **Note**: A feature tagged as Experimental is in a
high state of flux, you're at risk of it changing without notice.

# 2.5.0

- **New Feature**
  - add overloadings to `zip`, `zipWith` and `unzip`, closes #1109 (@gcanti)
  - add `eqStrict`, closes #965 (@gcanti)
  - `Eq`
    - add `eqStrict`, closes #965 (@gcanti)
  - `NonEmptyArray`
    - add `fold` (@vicrac)
  - `Semigroup`
    - add `getIntercalateSemigroup` (@gcanti)
  - `Set`
    - add `toggle` (@ryota-ka)
  - `TaskEither`
    - add `tryCatchK` (@DenisFrezzato)
  - `ReaderTaskEither`
    - add missing `leftReaderTask`, `rightReaderTask` functions (@gcanti)
  - `StateReaderTaskEither`
    - add missing `Bifunctor`, `Alt` instances (@gcanti)
- **Experimental**
  - add `ReadonlyArray` module (@gcanti)
  - add `ReadonlyNonEmptyArray` module (@gcanti)
  - add `ReadonlySet` module (@gcanti)
  - add `ReadonlyMap` module (@gcanti)
  - add `ReadonlyRecord` module (@gcanti)
  - add `ReadonlyTuple` module (@gcanti)

# 2.4.4

- **Polish**
  - add missing `MonadIO4` (@mlegenhausen)
  - add missing `MonadTask4` (@mlegenhausen)
  - `StateReaderTaskEither`
    - add missing `MonadTask4` instance (@mlegenhausen)
    - add missing `filterOrElse`, `fromPredicate` combinators (@mlegenhausen)

# 2.4.3

- **Bug Fix**
  - don't set `target: es6` in `tsconfig.build-es6.json`, fix #1110 (@gcanti)

# 2.4.2

- **Bug Fix**
  - fix `Invariant` definition (@gcanti)

# 2.4.1

- **Polish**
  - `NonEmptyArray`
    - add overloading to `group` managing non empty arrays, closes #831 (@gcanti)
    - `foldMap` and `foldMapWithIndex` now require a `Semigroup` instead of a `Monoid` (@gcanti)

# 2.4.0

- **New Feature**
  - add `WriterT` module, closes #1050 (@gcanti)
  - add `TheseT` module (@gcanti)
  - add `TaskThese` module (@gcanti)
  - `function`
    - add `tupled`, `untupled` functions, closes #1062 (@gcanti)
  - `IOEither`
    - add `fromEitherK`, `chainEitherK` (@gcanti)
  - `ReaderEither`
    - add `fromEitherK`, `chainEitherK` (@gcanti)
  - `ReaderTask`
    - add `run` (@gcanti)
    - add `fromIOK`, `chainIOK`, `fromTaskK`, `chainTaskK` (@gcanti)
  - `ReaderTaskEither`
    - add `fromEitherK`, `chainEitherK`, `fromIOEitherK`, `chainIOEitherK`, `fromTaskEitherK`, `chainTaskEitherK` (@gcanti)
  - `These`
    - add `swap` (@gcanti)
  - `Ord`
    - add `getMonoid` (@vicrac)
  - `Ordering`
    - add `monoidOrdering` (@gcanti)
  - `StateReaderTaskEither`
    - add `fromEitherK`, `chainEitherK`, `fromIOEitherK`, `chainIOEitherK`, `fromTaskEitherK`, `chainTaskEitherK`, `fromReaderTaskEitherK`, `chainReaderTaskEitherK` (@gcanti)
  - `Task`
    - add `fromIOK`, `chainIOK` (@gcanti)
  - `TaskEither`
    - add `fromEitherK`, `chainEitherK`, `fromIOEitherK`, `chainIOEitherK` (@gcanti)
- **Deprecation**
  - `Ord`
    - deprecate `getSemigroup` in favor of `getMonoid` (@gcanti)
  - `Ordering`
    - deprecate `semigroupOrdering` in favor of `monoidOrdering` (@gcanti)
- **Internal**
  - use native `Promise.race` in `Task.getRaceMonoid` (@gcanti)

# 2.3.1

- **Bug Fix**
  - `Array.ts`
    - fix `sortBy` failing on empty list of ords, #1046 (@vicrac)

# 2.3.0

- **New Feature**
  - add `ReaderTask` module (@sledorze)
  - `ReaderTaskEither`
    - add `getReaderTaskValidation` (@sledorze)
  - `ReaderEither`
    - add `getReaderValidation` (@gcanti)
  - `TaskEither`
    - improve `getTaskValidation` (@gcanti)
  - `IOEither`
    - improve `getIOValidation` (@gcanti)

# 2.2.0

- **New Feature**
  - add `boolean` module, closes #930 (@giogonzo)
  - add `ChainRec` instance to `IO` (@gcanti)
  - `NonEmptyArray`
    - add `init` (@steida)
    - add `Alt` instance (@gcanti)
- **Internal**
  - add new 3C variants and related overloads (@sledorze)

# 2.1.2

- **Bug Fix**
  - `fromNullable` now uses `NonNullable` in its return type, fixes #1004 (@gcanti)

# 2.1.1

- **Bug Fix**
  - add `sequenceT` and `sequenceS` overload signatures for `Kind4`, fixes #969 (@pfgray)

# 2.1.0

- **New Feature**
  - add constrained `Filterable` instance to `IOEither`, `TaskEither`, #959 (@giogonzo)

# 2.0.5

- **Bug Fix**
  - fix `PipeableApply2C` definition (@gcanti)

# 2.0.4

- **Polish**
  - `ReaderTaskEither`
    - add missing `bracket` function (@mlegenhausen)

# 2.0.3

- **Bug Fix**
  - fix `sequenceT`, `sequenceS` implementations, closes #914 (@gcanti)

# 2.0.2

- **Bug Fix**
  - add `reduce` to `FoldableComposition2C1` (@anilanar)

# 2.0.1

- **Bug Fix**
  - fix `PipeableBifunctor` definition (@gcanti)
  - fix `chunksOf` implementation, #897 (@gcanti)

# 2.0.0

- **Breaking Change**
  - remove deprecated APIs (@gcanti)
  - remove classes (@gcanti)
  - remove all phantom fields (@gcanti)