+* (bug 22747) "Reveal my e-mail address in notification e-mails" preference is
+ now only displayed when relevant
+* (bug 22772) {{#special:}} parser function now works with subpages
+* (bug 18664) Relative URIs in interwiki links cause failed redirects
+* (bug 19270) Relative URIs in interwiki links break interwiki transclusion
+* (bug 22903) Revdelete log entries now show in the user preferred language.
+* (bug 22905) Correctly handle <abbr> followed by ISBN
+* (bug 22940) Namespace aliases pointing to main namespace don't work
+* (bug 15810) Blocked admins can no longer block/unblock other users
+* (bug 22876) Avoid possible PHP Notice if $wgDefaultUserOptions is not
+ correctly set
+* (bug 14952) Page titles are renormalized after html entities are removed so
+ that links with non-NFC character references work correctly.
+* (bug 22991) wgUserGroups JavaScript variable now reports * group for
+ anonymous users instead of null.
+* (bug 22627) Remove PHP notice when deleting a page only hidden users edited.
+* (bug 21520) Anonymous previews now also gives a warning about not being
+ logged in (anonpreviewwarning).
+* (bug 22935) image/x-ms-bmp mime type added for BMP files
+* (bug 23024) Special:ListFiles now escapes file names correctly
+* (bug 22867) "View source" tab is now only displayed if there's source text
+* (bug 19393) Feeds now format dates in user language rather than content
+ language
+* (bug 22852) "Served in" comment is now the time used to cache a single page
+ when using rebuildFileCache.php
+* (bug 22496) Viewing diff of a redirect page without specifying "oldid"
+ parameter no longer makes the page displayed as being the redirect target
+* (bug 22918) Feed cache keys now use $wgRenderHashAppend
+* (bug 21916) Last-Modified header is now correct when outputting cached feed
+* (bug 20049) Fixed PHP notice in search highlighter that occurs in some cases
+* (bug 23017) Special:Disambiguations now list pages in content namespaces
+ rather than only main namespace
+* (bug 23063) $wgMaxAnimatedGifArea is checked against the total size of all
+ frames, and $wgMaxImageArea against the size of the first frame, rather than
+ the other way around. Both now default to 12.5 megapixels. Also, images
+ exceeding $wgMaxImageArea can still be embedded at original size
+* (bug 23078) "All public logs" option on Special:Log is now always the first
+ item
+* (bug 16817) Group names in user rights log are now singular and in lowercase
+* Special:Preferences no longer crashes if the wiki default date formatting
+ style is not valid for the user's interface language
+* (bug 23167) Check the watch checkbox by default if the watchcreations
+ preference is set
+* Maintenance script cleanupTitles is now able to fix titles stored
+in a negative namespace (which is invalid).
+* (bug 19858) Removed obsolete <big> in interface messages.
+* (bug 21456) "Bad title" error when showing non-local interwiki pages no longer
+ displays incorrect tabs
+* (bug 23190) Improved math representation for text browsers.
+* (bug 22015) Improved upload-by-url error handling and error display
+* (bug 17941) $wgMaxUploadSize is now honored by all upload sources
+* (bug 23080) New usernames now limited to 235 bytes so that custom skin files
+ work.
+* (bug 23075) Correct MediaTransformError default width in gallery.
+* (bug 16487) The Anonymous user account used on Postgres is no longer
+ displayed on Special:Listusers.
+* (bug 23313) Move watchlisthidepatrolled above token in watchlist preferences
+ to enhance preference grouping.
+* (bug 23298) Interwiki links with prefix only in log summaries now link to the
+ correct link
+* (bug 23284) Times are now rounded correctly
+* (bug 23375) Added ogv, oga, spx as extensions for ogg files
+* (bug 18408) All required permissions for uploading (upload, edit, create)
+ are now checked when loading Special:Upload. Toolbar link for Special:Upload
+ is no longer shown if the user does not have the required permissions.
+* (Bug 23397) texvc in html mode renders \sim as ˜ not ∼
+* (Bug 23241) Remove License selector, because it is not used when uploading a
+ new version.
+* (bug 23240) Add ID to namespace selector form on Special:Watchlist
+
+=== API changes in 1.17 ===
+* (bug 22738) Allow filtering by action type on query=logevent
+* (bug 22764) uselang parameter for action=parse
+* (bug 22944) API: watchlist options are inconsistent
+* (bug 22339) "Go" result should be available through the API
+* (bug 22868) don't list infinite block expiry date as "now" in API logevents
+* (bug 22290) prop=revisions now outputs "comment" field even when comment
+ is empty, for consistency with list=recentchanges