- Patch #279851 by catch, David Strauss, Damien Tournoud, asimmonds, c960657, JohnAlbin, drawk, pwolanin, robertDouglass, coltrane: replace LOWER() with db_select() and LIKE() where possible.

- Patch #582948 by Damien Tournoud, agentrickard: improve safety of schema manipulation to help with upgrade path.

- Patch #691938 by carlos8f, mr.baileys: block caching per-role, per-user, per-page was broken. With new tests.

- Patch #721010 by jhodgdon: actions topic group needs more functions included and better doc header.

- Patch #641408 by cha0s, David_Rothstein: PHP extensions and PDO functionality should be checked at installation.

- Patch #647084 by matt2000, jhodgdon, alpritt, David_Rothstein: fixed missing shortcut edit and delete operations on shortcuts admin.

- Patch #719730 by anarcat, ctmattice1, peterx: drop the sequences and queue tables from D5 during the D6 to D7 upgrade.

- Patch #721536 by JacobSingh: fixed inline Javascript not working due to unescaped CDATA element created by saveXML().