* (bug 6672) Images are now autorotated according to their EXIF orientation.
This only affects thumbnails; the source remains unrotated.
* (bug 25708) Update case mappings and normalization to Unicode 6.0.0
+* New hook ArticlePrepareTextForEdit added, called when preparing text to be saved.
+* New parser option PreSaveTransform added, allows the pre-save transformation
+ to be selectively disabled.
+* Alternative to $wgHooks implemented, using the new Hooks class.
+* Add width parameter to Special:Filepath to allow getting the file path of a thumbnail.
+* (bug 26870) Add size to {{filepath:}}
+* Upload warnings now show a thumbnail of the uploaded file
+* Introduced the edittools-upload message, which will be inserted under the
+ upload form instead of edittools if available
+* (bug 26285) Extensions will be automatically generated on upload if the user
+ specified a filename without extension.
+* (bug 26851) Special:UserRights now allows to prefill the reason field
+* New maintenance script to fix double redirects (maintenance/fixDoubleRedirects.php)
=== Bug fixes in 1.18 ===
* (bug 23119) WikiError class and subclasses are now marked as deprecated
members.
* (bug 2585) Image pages should send 404 if no image, no shared image and no
description page.
+* Custom editintro's using the editintro url parameter will no longer show <noinclude>
+ sections on pages they are included on.
+* (bug 26449) Keep underlines from headings outside of tables and thumbs by
+ adding overflow:hidden to h1,h2,h3,h4,h5,h6 (also fixes editsection bunching).
+* (bug 26708) Remove background-color:white from tables in Monobook and Vector.
+* (bug 26781) {{PAGENAME}} and related parser functions escape their output better.
+* (bug 26716) Provide link to instructions for external editor related preferences
+ and add a comment to the ini control file explaining what is going on.
+* Trying to upload a file with no extension or with a disallowed MIME type now gives
+ the right message instead of complaining about a MIME/extension mismatch
+* (bug 26809) Uploading files with multiple extensions where one of the extensions
+ is blacklisted now gives the proper extension in the error message.
+* (bug 26961) Hide anon edits in watchlist preference now actually works.
=== API changes in 1.18 ===
* (bug 26339) Throw warning when truncating an overlarge API result
* (bug 26480) add a pppageprops param to prop=pageprops
* (bug 26650) Remove $wgAPICacheHelp in favour of $wgAPICacheHelpTimeout
* (bug 24650) Fix API to work with categorylinks changes
+* Expose list of skins in meta=siteinfo
=== Languages updated in 1.18 ===