Jetpack 2.3.4 is out! Included are a number of bug fixes and enhancements — from using the freshest Genericon assets to improving many of our translations, it’s the best Jetpack yet.
We’ve also lightened the load by dropping many of the “retina display” versions of WordPress Core assets that core has had come bundled with since 3.5. If you’re still running WordPress 3.4, it may be time to look at upgrading!
For a full changelog, check out http://wordpress.org/plugins/jetpack/changelog/