A new version of WordPress, the content management system used on a lot of the internet including this blog, has been released.

Customize theme options before activating a new theme using Theme Customizer
Use Theme Previewer to customize current theme without changing the front-end design
Improved Custom Headers with flexible sizes
Selecting Custom Header Images and Custom Background Images from Media Library Screen
Support HTML in image captions
Improvements in WordPress internationalization and localization (more info)
Different split in translation POT files for faster translations
Codex XML-RPC information update accessed via XML-RPC_WordPress_API
WP_Query improvements

Any Lemon Productions clients reading this, upgrades will be done gradually to your installs in the next week or so.