* Show validity period of the login cookie in Special:UserLogin and
Special:Preferences
* Interlanguage links display the page title in their tooltip.
+* (bug 23621) New Special:ComparePages to compare (diff) two articles.
+* (bug 4597) Provide support in Special:Contributions to show only "current"
+ contributions
+* (bug 17857) {{anchorencode}} acts more like how the parser creates section ids.
=== Bug fixes in 1.17 ===
* (bug 17560) Half-broken deletion moved image files to deletion archive
Special:Upload after following a red link
* Correct the escaping of the autosummary URI fragments.
* (bug 23642) Recognize mime types of MS OpenXML documents.
+* (bug 22784) Normalise underscores and spaces in autocomments.
=== API changes in 1.17 ===
* (bug 22738) Allow filtering by action type on query=logevent.