Yes, Releases Candidate 1 of WordPress 2.1 is avaliable, you can check detail story here. Or you can direct download on WordPress.org
Before you tested, please check WordPress 2.1 compatibility list here
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2 2 1 release candidate « ryan boren
WordPress 2.2.1 is almost ready. 2.2.1 fixes bugs in widgets, xmlrpc, atom feeds, and other areas. 2.2.1 also addresses security issues found in xmlrpc and phpmailer.
Source: http://ryan.boren.me/2007/06/16/221-release-candidate/
wordpress 2 1 release candidate 1 « ryan boren
After several rounds of beta releases, Release Candidate 1 of WordPress 2.1 is available. Download it here. 2.1 has been too long in coming, but the wait is almost over.
Source: http://ryan.boren.me/2007/01/17/wordpress-21-release-candidate-1/
wordpress 2 1 release candidate 1 « t longren
WordPress 2.1 Release Candidate 1 is out. Ryan Boren has the details over on his blog. There’s a list of changes in 2.1 at the WordPress codex, as well as a list of plugins that
Source: http://www.longren.org/2007/01/18/wordpress-21-release-candidate-1/
wordpress
WordPress 1.2.1: May 22, 2004: WordPress 1.2: May 20, 2004: Final Release Candidate: May 11, 2004: WordPress in Gentoo: April 29, 2004: 1.2 Beta: March 22, 2004
Source: http://wordpress.org/development/category/releases/
version 2 1 « wordpress codex
Version 2.1 Announcement . On Monday, January 22, 2007, WordPress Version 2.1 "Ella" was released. The information about this new significant release can be found at WordPress v2.1
Source: http://codex.wordpress.org/Version_2.1
