#1003968 by David_Rothstein, jhodgdon: Fixed Explain in INSTALL.txt that on some servers, the automated settings.php creation isn't expected to work

#1003828 by rfay: Fixed Drupal.ajaxError may itself throw an exception, causing silent 'AJAX Error 0' events

#1008628 by plach: Fixed Fatal error: Call to undefined function language_negotiation_get_switch_links() when using only one language

#951116 by Damien Tournoud, Stevel: Fixed db_change_field() fails to convert int to varchar on PostgreSQL

#1006478 by Stevel, mradcliffe, vwX, bfroehle: Fixed D6 to D7 upgrade on PostgreSQL stopped cold at update.php

#1007486 by mlncn: Fixed Documentation problem with truncate_utf8: refers to max_return_length instead of max_length

#990366 by dww: Rename 'update system' to 'database update system' to help eliminate end-user confusion.

#995854 by rfay, effulgentsia, sun, merlinofchaos, Damien Tournoud, manimejia: Fixed #ajax doesn't work at all if a file element (or enctype => 'multipart/form-data')  is included in the form

#1004068 by Damien Tournoud, dmigtrig01: Complete the implementation of DatabaseSchema::addField() for SQLite... gets us to 100% tests passing in SQLite! :D