- Patch #572618 by effulgentsia, pwolanin, sun: all theme functions should take a single argument. Code clean-up and performance improvement. Woot.

- Patch #118345 by sun | nedjo, pwolanin, webchick: DIE hook_user_form() + hook_user_register() DIE!

- Patch #495968 by Frando, moshe weitzman: added drupal_render() cache pattern. Start using it for blocks.

- Patch #560746 by dropcube: rename hook_block_list() to hook_block_info() for consistency in the API.

#497118 by chx, catch, pwolanin, JoshuaRogers, and Jacob Singh: Remove the function registry. While the hope was that this would result in improved performance for low-end hosts, it comes at the expense of critical development experience problems and less benefit than something like APC. Class registry remains intact to facilitate autoloading.

Of all the patches to accidentally commit without a message. :( Rolling back registry rip. Let's try that again.

#326539 by JohnAlbin, sun, cha0s, ultimateboy, Rob Loach, Damien Tournoud: Convert 'class' attribute to use an array, not a string.

- Patch #552958 by Gábor Hojtsy: create 'regional and language' section in 'configuration and modules'.

- Patch #251792 by pwolanin, Damien Tournoud, slantview, c960657: added a locking framework for long running operations.

#517814 by jmstacey, justinrandell, pwolanin, drewish, Jody Lynn, aaron, dopry, and c960657: Converted File API to stream wrappers, for enhanced private/public file handling, and the ability to reference other storage mechanisms such as s3:// and flicker://.

- Patch #508458 by catch, Gábor Hojtsy, yoroy: created 'Configuration and modules' section so we can start moving over configuration items. Let's see how this goes ...

- Patch #334283 by Damien Tournoud, andypost, Freso et al: add context to t() to help deal with ambigious strings (and improved the locale APIs a bit). Example: May is both a short month name as a long month name in English, but not necessarily in other languages.

#296693 by Damien Tournoud, boombatower, sun, and Xano: Hide parent administrative menu items when user has no access to any of their children.

#368064 by catch: Provide a top-level 'International' menu item for localization and translation-related items.

#203323 by JirkaRybka, robertgarrigos, thePanz, c960657, and sun: Fix undefined index locale in install.php and clean up crufty code.

#315801 by Rob Loach, Grugnoh2, mfer and dmitrig01: Add a hook_js_alter() to modify JavaScript being printed to the page.

#313213 by maartenvg, Gábor Hojtsy: Add a 'title' attribute for permissions to allow for localization of permission names

- Patch #310212 by justinrandell, catch, et all: killed  in _user hook, as well as two small kittens.