WordPress 4.2 is now available with all sorts of great features including:

• An easier way to share content
• Extended character support (including emoji) 😉
• More embeds (tumblr and Kickstarter)
• Streamlined plugin updates
• For developers…Complex query ordering, utf8mb4 support, shared term splitting, and javaScript accessibility (send audible notifications to screen readers)

You can read more about the update: https://wordpress.org/news/2015/04/powell/

You can download WordPress 4.2: http://wordpress.org/wordpress-4.2.zip