gl, hr, hsb, hu, is, it, kk, kl, ku, ky, la, lb, lt, lv, mk, mo, mt, nl, no,
oc, pl, pt, rm, ro, ru, rup, sco, sk, sl, smn, sq, sr, sv, tk, tl, tr, tt, uk,
uz, vi.
+* Added 'CategoryAfterPageAdded' and 'CategoryAfterPageRemoved' hooks.
=== Bug fixes in 1.21 ===
* (bug 40353) SpecialDoubleRedirect should support interwiki redirects.
"password mismatch" error.
* (bug 44599) On Special:Version, HEADs for submodule checkouts (e.g. for
extensions) performed using Git 1.7.8+ should now appear.
+* (bug 42184) $wgUploadSizeWarning missing second variable
+* (bug 40326) Check if files exist with a different extension during uploading
=== API changes in 1.21 ===
* prop=revisions can now report the contentmodel and contentformat.
an error during parameter validation if the parameter is given but not
recognized as an uploaded file.
* (bug 44244) prop=info may now return the number of people watching each page.
+* (bug 33304) list=allpages will no longer return duplicate entries when
+ querying protection.
=== API internal changes in 1.21 ===
* For debugging only, a new global $wgDebugAPI removes many API restrictions when true.