Add release note for Ieec65c90

Gerrit change Ieec65c90 did not update RELEASE-NOTES-1.21.

Change-Id: I4820060b8459682ed28c05c2b69a89321b01183e

diff --git a/RELEASE-NOTES-1.21 b/RELEASE-NOTES-1.21
index 70c6bf8..7c932ef 100644 (file)
--- a/RELEASE-NOTES-1.21
+++ b/RELEASE-NOTES-1.21
@@ -40,6 +40,7 @@ production.
 * The <data>, <time>, <meta>, and <link> elements are allowed within WikiText
   for use with Microdata.
 * The HTML5 <mark> tag has been whitelisted.
+* Added ParserCloned hook for when the Parser object is cloned.
 
 === Bug fixes in 1.21 ===
 * (bug 40353) SpecialDoubleRedirect should support interwiki redirects.