Running WordPress? Don’t forget to update to 3.1.1
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  WordPress 3.1.1 is now available. This maintenance and security release fixes almost thirty issues in 3.1, including:
- Some security hardening to media uploads
 - Performance improvements
 - Fixes for IIS6 support
 - Fixes for taxonomy and PATHINFO (/index.php/) permalinks
 - Fixes for various query and taxonomy edge cases that caused some plugin compatibility issues
 
More info at: http://wordpress.org/news/2011/04/wordpress-3-1-1/


