It received an official release on MediaWiki.org, so it should be. The version number is probably an artifact from the final release candidate that wasn't altered before release.
Date: Mon, 27 May 2013 12:24:59 +0530 From: punit@softaculous.com To: mediawiki-l@lists.wikimedia.org Subject: [MediaWiki-l] Fwd: Query about 1.21.0 version
Hi,
Is MediaWiki 1.21.0 is stable version ? After installing it shows 1.21.0rc5.
--
*Punit Varia *
*Script Packaging Head*
punit@softaculous.com http://www.softaculous.com/http://www.softaculous.com/
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