1 files changed, 3 insertions, 0 deletions

diff --git a/NEWS b/NEWS
index 89b975baa1..635111abf7 100644
--- a/NEWS
+++ b/NEWS
@@ -13,6 +13,9 @@ with all sufficient information, see the ChangeLog file.
 
 * builtin classes
 
+  * Array
+    * Array#sort_by!
+
   * IO
     * IO.pipe takes a block.