Fix roundup:
- Fixes for choose tagtag A directory in Subversion. WordPress uses tags to store a single snapshot of a version (3.6, 3.6.1, etc.), the common convention of tags in version control systems. (Not to be confused with post tags.) from tag cloud
- Rewrite rules fixes for certain hosts
- Don’t check for updates on every page load
- Easier post box dropping
- Preview fixes
- RTL fixes
- Fixed broken wp-mail