- Patch #558928 by brandonojc, mgifford, Owen Barton, Everett Zufelt: improved consistency, flexibility and accessibility of form element labels.

#610234 by Gábor Hojtsy, ksenzee, cwgordon7, David_Rothstein, seutje, marcvangend, sun, JoshuaRogers, markus_petrux, Bojhan, Rob Loach, Everett Zufelt, drifter, markboulton, leisareichelt, et al: Added Overlay module to core, which shows administrative pages in a JS overlay, retaining context on the front-end site.

- Patch #634234 by jhodgdon, arianek, lisarex: better help for system module, syslog module, and simpletest module.

- Patch #601150 by eojthebrave, bganicky, sun, seutje, JacobSingh, ivansf: improved UI for contextual links.

- Patch #491214 by JohnAlbin, Gábor Hojtsy, eigentor: implement a more usable top level Appearance page. Yay.

#601806 by sun, effulgentsia, and Damien Tournoud: drupal_render() should not set default element properties that make no sense.

- Patch #530652 by sun: _user_password_dynamic_validation() should be a #process of password_confirm().

- Patch #550742 by David_Rothstein: removed left-over code: remove search box settings because we already remove the search box.

#552478 by pwolanin, samj, dropcube, and sun: Improve link/header API and support on node/comment pages rel=canonical and rel=shortlink standards.

#602522 by effulgentsia, sun, and moshe weitzman: Make links in renderable arrays and forms (e.g. 'Operations') alterable.

#504080 by eigentor, dcor, heather, lisarex, Bojhan, and keith.smith: Remove wall of text from Themes admin description.

#607008 by dww, Gerhard Killesreiter, JacobSingh, and chx: Changed Fix bugs in https support and use  https for authorize.php if available.

- Patch #618938 by pwolanin: fixed Drupal version is not being available until the end of bootstrap.

#610290 by dww and sun: system_run_authorized() shouldn't always drupal_goto() so it can be used in submit handlers.

#613912 by dww: Move host and port into a collapsed 'Advanced settings' fieldset on the authorize.php connection settings forms.

#602520 by JacobSingh and dww: Make FileTransfer form have one option for FTP (ftp_extension() preferred).

#600974 by effulgentsia, JohnAlbin, sun, and Damien Tournoud: Allow theme functions to take one argument without any hacks. NOTE: This is an API change in hook_theme().

- Patch #493030 by scor, Stefan Freudenberg, pwolanin, fago, Benjamin Melançon, kriskras, dmitrig01, sun: added RDFa support to Drupal core. Oh my, oh my.

- Patch #589126 by mfb: fixed bug with user module using a flood window of 6 hours, but flood events more than 1 hour old being deleted by cron. Improved API documentation, and added tests.

#473268 by David_Rothstein, sun, yoroy, Gábor Hojtsy, cwgordon7, et al.: Allow contextual editing of dang near everything on the page. Also adds a context system to menu local tasks.

#538660 by JacobSingh, dww, JoshuaRogers, adrian, Crell, chx, anarcat, and cwgordon7: Add a functioning Plugin Manager to core. Can you say module installation and updates through the UI? I knew you could! :D