1 files changed, 4 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog
index 704f478fd2..c882c3a8b8 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Sat Dec  4 11:21:50 2010  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* hash.c (rb_hash_update_by): new API for Hash#update.
+
 Sat Dec  4 11:18:10 2010  Tanaka Akira  <akr@fsij.org>
 
 	* class.c: parenthesize macro arguments.