* (bug 5346) Categories that are redirects will be displayed italic in
the category links section at the bottom of a page.
* (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.
currently in use on the wiki.
* (bug 44921) ApiMain::execute() will now return after the CORS check for an
HTTP OPTIONS request.
+* (bug 44923) action=upload works correctly if the entire file is uploaded in
+ the first chunk.
=== API internal changes in 1.21 ===
* For debugging only, a new global $wgDebugAPI removes many API restrictions when true.