package:collection v1.19.0

• Adds shuffled to IterableExtension.
• Shuffle IterableExtension.sample results.
• Fix mergeSort when the runtime iterable generic is a subtype of the static
  generic.
• CanonicalizedMap: added constructor fromEntries.
• Mark "mixin" classes as mixin.
• extension IterableIterableExtension<T> on Iterable<Iterable<T>>
  • Add flattenedToList as a performance improvement over flattened.
  • Add flattenedToSet as new behavior for flattening to unique elements.
• Deprecate transitiveClosure. Consider using package:graphs.
• Deprecate whereNotNull() from IterableNullableExtension. Use nonNulls
  instead - this is an equivalent extension available in Dart core since
  version 3.0.
• Require Dart ^3.4.0

package:collection v1.18.0

• CanonicalizedMap:
  • Added copy: copies an instance without recalculating the canonical values of the keys.
  • Added toMap: creates a Map<K,V> (with the original key values).
  • Added toMapOfCanonicalKeys: creates a Map<C,V> (with the canonicalized keys).
• Fixes bugs in ListSlice.slice and ListExtensions.slice.
• Update to package:lints 2.0.1.

v1.17.2

• Accept Dart SDK versions above 3.0.

v1.17.1

• Require Dart 2.18
• Improve docs for splitAfter and splitBefore.

1.14.10: Remove uses of `retype` (#95)

• Remove uses of retype.
• Fix various bugs, mainly in tests.

1.14.9

• Fixed bugs where QueueList, MapKeySet, and MapValueSet did not adhere to
  the contract laid out by List.cast, Set.cast and Map.cast respectively.
  The returned instances of these methods now correctly forward to the existing
  instance instead of always creating a new copy.

1.14.7

• Only the Dart 2 dev SDK (>=2.0.0-dev.22.0) is now supported.
• Added support for all Dart 2 SDK methods that threw UnimplementedError.

1.14.0

1.14.0

• Add CombinedListView, a view of several lists concatenated together.
• Add CombinedIterableView, a view of several iterables concatenated together.
• Add CombinedMapView, a view of several maps concatenated together.