Prepare to release 1.14.0. (#54)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 97792cd..99481ca 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,8 @@
 ## 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.
 
 ## 1.13.0
 
diff --git a/pubspec.yaml b/pubspec.yaml
index 5060112..052fb98 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,5 +1,5 @@
 name: collection
-version: 1.14.0-dev
+version: 1.14.0
 author: Dart Team <misc@dartlang.org>
 description: Collections and utilities functions and classes related to collections.
 homepage: https://www.github.com/dart-lang/collection