- Patch #1280530 by loganfsmyth: decouple domain/path negotiation setup from language configuration.

- Patch #1272686 by Paul Simard, bfroehle, beejeebus: convert existing cache_* calls to the new cache()-> API.

- Patch #1250800 by attiks, dereine: fixed language domain should work regardless of ports or protocols.

- Patch #1219236 by Gábor Hojtsy: locale module includes 1350+ lines of unneeded code on all page loads.

- Patch #1222072 by Gábor Hojtsy: Split translation editing functionality out of locale.admin.inc and locale.inc.

Issue #1136130 by pillarsdotnet: Reinstated WATCHDOG_* constants; using PHP equivalents caused issues on Windows.

- Patch #1099396 by Désiré, droplet, plach: language_count() is never decremented when removing a language.

- Patch #882694 by mgifford, sun, ksenzee, bleen18, yched: add missing form element titles for accessibility.

- Patch #140783 by sun, chx, effulgentsia, David_Rothstein, webchick: a select list without #default_value() always passes form validation.

- Patch #693084 by dhthwy, jpmckinney, reglogge, clemens.tolboom, naxoc, chx: file_munge_filename() extension handling broken by move to File Field.

- Patch #348448 by mfb, c960657, marvil07, cdale, jpmckinney: fixed PHP strict warnings when running tests and for PHP 5.3.

- Patch #766200 by rfay: obsolete locale usage of ['#redirect'] needs to be changed to ()['redirect']. R.I.P. ['#redirect']

#282191 follow-up by plach: Remove ambitious parts of translatable fields UI from core that are no longer relevant, given what made it into Drupal 7.