Ryan Boren over at WordPress News just announced the release of WordPress 3.1.1. 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
There were three specific security issues that were fixed thanks to the WordPress core developers. The first hardens CSRF prevention in the media uploader. The second avoids a PHP crash in certain environments when handling devilishly devised links in comments, and the third addresses an XSS flaw.
We love the Haiku that the put out for this upgrade:
Only the geeks know
What half this stuff even means
Don’t worry — update
That’s right, Upgrade now 
Don’t forget to follow our ultimate guide to upgrading WordPress.
Syed Balkhi
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