* (bug 43915) New maintenance script deleteEqualMessages.php.
* New collation uppercase-sv, which is like uppercase, but adapted
to Swedish sort order.
+* WikiText now permits the use of WAI-ARIA's role="presentation" inside of
+ html elements and tables. This allows presentational markup, especially
+ tables. To be marked up as such.
=== Bug fixes in 1.21 ===
* (bug 40353) SpecialDoubleRedirect should support interwiki redirects.