[4.3.0] - 2023-03-10

• Introduce Comparator and PairSorting #1937 by @https://github.com/giancosta86
• [TypeScript] Fix fromJS declaration for greater compatibility #1936

[4.2.4] - 2023-02-06

• [TypeScript] Improve type infererence for from JS by KSXGitHub #1927

[4.2.3] - 2023-02-02

• [TypeScript] groupBy return either a Map or an OrderedMap: make the type more precise than base Collection #1924

[4.2.2] - 2023-01-02

• [Flow] Add type for partition method #1920 by Dagur

[4.2.1] - 2022-12-23

• [Typescript] rollback some of the change on toJS to avoir circular reference

[4.2.0] - 2022-12-22

• [TypeScript] Better type for toJS #1917 by jdeniau
  • [TS Minor Break] tests are ran with TS > 4.5 only. It was tested with TS > 2.1 previously, but we want to level up TS types with recent features. TS 4.5 has been released more than one year before this release. If it does break your implementation (it might not), you should probably consider upgrading to the latest TS version.
• Added a partition method to all containers #1916 by johnw42

[4.1.0] - 2022-05-23

• Accept Symbol as Map key. #1859 by jdeniau
• Optimize contructors without arguments #1887 by marianoguerra
• Fix Flow removeIn types #1902 by nifgraup
• Fix bug in Record.equals when comparing against Map #1903 by jmtoung

[4.0.0] - 2021-09-30

This release brings new functionality and many fixes.

1. Key changes
2. Note for users of v4.0.0-rc.12
3. Breaking changes
4. New
5. Fixed

Key changes

• New members have joined the team
• The project has been relicensed as MIT
• Better TypeScript and Flow type definitions
• A brand-new documentation lives at immutable-js.com and can show multiple versions
• Behavior of merge and mergeDeep has changed
• Iterable is renamed to Collection
• Records no longer extend from Collections
• All collection types now implement the ES6 iterable protocol
• New methods:
  • toJSON()
  • wasAltered()
  • Collection.Indexed.zipAll()
  • Map.deleteAll()

+  Collection.[Symbol.iterator]
+  Collection.toJSON
+  Collection.update
+  Collection.Indexed.[Symbol.iterator]
+  Collection.Indexed.toJSON
+  Collection.Indexed.update
+  Collection.Indexed.zipAll
+  Collection.Keyed.[Symbol.iterator]
+  Collection.Keyed.toJSON
+  Collection.Keyed.update
+  Collection.Set.[Symbol.iterator]
+  Collection.Set.toJSON
+  Collection.Set.update
-  Collection.size
-  Collection.Indexed.size
-  Collection.Keyed.size
-  Collection.Set.size

+  List.[Symbol.iterator]
+  List.toJSON
+  List.wasAltered
+  List.zipAll
-  List.mergeDeep
-  List.mergeDeepWith
-  List.mergeWith

+  Map.[Symbol.iterator]
+  Map.deleteAll
+  Map.toJSON
+  Map.wasAltered

+  OrderedMap.[Symbol.iterator]
+  OrderedMap.deleteAll
+  OrderedMap.toJSON
+  OrderedMap.wasAltered
+  OrderedSet.[Symbol.iterator]
+  OrderedSet.toJSON
+  OrderedSet.update
+  OrderedSet.wasAltered
+  OrderedSet.zip
+  OrderedSet.zipAll
+  OrderedSet.zipWith

+  Record.[Symbol.iterator]
+  Record.asImmutable
+  Record.asMutable
+  Record.clear
+  Record.delete
+  Record.deleteIn
+  Record.merge
+  Record.mergeDeep
+  Record.mergeDeepIn
+  Record.mergeDeepWith
+  Record.mergeIn
+  Record.mergeWith
+  Record.set
+  Record.setIn
+  Record.toJSON
+  Record.update
+  Record.updateIn
+  Record.wasAltered
+  Record.withMutations
+  Record.Factory.displayName
-  Record.butLast
-  Record.concat
-  Record.count
-  Record.countBy
-  Record.entries
-  Record.entrySeq
-  Record.every
-  Record.filter
-  Record.filterNot
-  Record.find
-  Record.findEntry
-  Record.findKey
-  Record.findLast
-  Record.findLastEntry
-  Record.findLastKey
-  Record.first
-  Record.flatMap
-  Record.flatten
-  Record.flip
-  Record.forEach
-  Record.groupBy
-  Record.includes
-  Record.isEmpty
-  Record.isSubset
-  Record.isSuperset
-  Record.join
-  Record.keyOf
-  Record.keySeq
-  Record.keys
-  Record.last
-  Record.lastKeyOf
-  Record.map
-  Record.mapEntries
-  Record.mapKeys
-  Record.max
-  Record.maxBy
-  Record.min
-  Record.minBy
-  Record.reduce
-  Record.reduceRight
-  Record.rest
-  Record.reverse
-  Record.skip
-  Record.skipLast
-  Record.skipUntil
-  Record.skipWhile
-  Record.slice
-  Record.some
-  Record.sort
-  Record.sortBy
-  Record.take
-  Record.takeLast
-  Record.takeUntil
-  Record.takeWhile
-  Record.toArray
-  Record.toIndexedSeq
-  Record.toKeyedSeq
-  Record.toList
-  Record.toMap
-  Record.toOrderedMap
-  Record.toOrderedSet
-  Record.toSet
-  Record.toSetSeq
-  Record.toStack
-  Record.valueSeq
-  Record.values

+  Seq.[Symbol.iterator]
+  Seq.toJSON
+  Seq.update
+  Seq.Indexed.[Symbol.iterator]
+  Seq.Indexed.toJSON
+  Seq.Indexed.update
+  Seq.Indexed.zipAll
+  Seq.Keyed.[Symbol.iterator]
+  Seq.Keyed.toJSON
+  Seq.Keyed.update
+  Seq.Set.[Symbol.iterator]
+  Seq.Set.toJSON
+  Seq.Set.update

+  Set.[Symbol.iterator]
+  Set.toJSON
+  Set.update
+  Set.wasAltered

+  Stack.[Symbol.iterator]
+  Stack.toJSON
+  Stack.update
+  Stack.wasAltered
+  Stack.zipAll

+  ValueObject.equals
+  ValueObject.hashCode

-  Iterable.*
-  Iterable.Indexed.*
-  Iterable.Keyed.*
-  Iterable.Set.*