WordPress 3.4 (Green) is now available for download. what’s new in this release?
Theme Customizer with Previewer
Flexible Custom Header Sizes
Selecting Custom Header and Background Images from Media Library
Better experience searching for and choosing a theme
Twitter embeds
image captions
improvements in XML-RPC, themes,
custom header APIs,
performance improvements in WP_Query
the translation system
Download WordPress 3.4
