Radically Simplified WordPress (ma.tt) Matt Mullenweg, the founder of WordPress and Automattic says that the service is preparing for a significant change of direction — by releasing a much simpler version designed to work on mobile.
Plugin Directory Refreshed (wordpress.org) Besides the somewhat old Plugin Header, you can now subscribe to get an email whenever a commit is made to a plugin repository and behind the scenes there was a revamp of the proactive scanning of the entire repository to help authors fix security issues.
Code Poet relaunches, expands beyond a listing service (wpcandy.com) The new CodePoet.com, or rather build.CodePoet.com, offers two free ebooks, interviews with WordPress professionals, and a collection of resources the team has curated that they think other Code Poets would find useful. The listings, or Code Poet Directory, can now be found at directory.codepoet.com.
Redis Object Cache Plugin(w-shadow.com) Redis Object Cache is a WordPress plugin that provides a persistent, Redis-based backend for the WordPress object cache. Use it if you want to speed up your site and prefer Redis to other key-value stores.
How to Use Domain Mapping for WordPress Pages (wpmu.org) The new Domain Mapping System plugin has a different take on mapping domains. It allows you to map domains to WordPress pages on the same single site installation. This plugin was created for those sites that don’t require expansion to a multisite network.