WordPress has released version 2.2.1. This is a required update for those using version 2.2. It patches bugs in version 2.2 and fixes numerous security issues.
Some bugs reported to be fixed:
- ATOM feed validation fixes
- XML-RPC fixes
- Widget backward compatibility fixes
- Widget layout fixes for Internet Explorer 7
- Page and Text Widget improvements
Numerous security vulnerabilities are also addressed:
- Remote shell injection in PHPMailer
- Remote SQL injection in XML-RPC
- Unescaped attribute in default theme
The detailed instructions for upgrading your Wordpress can be found here.
You might also be interested in reading my experience upgrading from WordPress 1.5 to 2.1











Hi Andrew:
Sorry, the 'contact' is not working for me and I apologize of misused the 'comment' to drop this mail to you.
I harbor the same idea like yours - blogging for money dream. I would like to invite you to visit my blog and wonder if you could add it to your blog roll should you find it interesting. I would reciprocates by doing the likewise. Cheers
http://www.smartconsumerbanking.com