1 files changed, 1 insertions, 0 deletions

diff --git a/doc/NEWS b/doc/NEWS
index 6441c3a72d..ca5d511ebe 100644
--- a/doc/NEWS
+++ b/doc/NEWS
@@ -111,6 +111,7 @@ Compatible
     * Enumerable and Enumerator
           o Enumerable#map,collect_all called without a block returns
             an enumerator.
+          o Enumerator.new { ... } [experimental]
     * Regexp#match, String#match
           o Regexp#match, String#match
     * Encoding