Issue #2115737 by darol100, owenpm3, rhuffstedtler, andythomnz, jemandy, ijf8090, zealfire, er.pushpinderrana, jhodgdon, corbacho, spitcher, abenamer, holingpoon, ay1n: Make the text in modules, themes, and profiles README.txt files more user-friendly

Issue #2500101 by David_Rothstein: sites/all/modules/README.txt should not imply that clearing caches always works after moving a module to a new subdirectory

Issue #667058 by greggles, DamienMcKenna, cweagans, travelertt, Dave Reid, tstoeckler, geerlingguy: Add a sites/all/libraries folder and encourage people to use it properly

Issue #1930960 by pounard, iamEAP, pjcdawkins, msonnabaum, David_Rothstein: Fixed Block caching disable hardcoded on sites with hook_node_grant() causes serious performance troubles when not necessary.

Issue #1221772 by pounard, colan, jcisio | sivaji: Fixed Transaction database settings is misleading in settings.php.

Issue #692366 by  mariacha1, hosef, Albert Volkman, xjm, underq, kid_icarus, willmoy, bradweikel: Replace US-centric php.net URLs with language-neutral URLs

Issue #1436814 by gary4gar, kid_icarus, netol, webchick, droplet, andypost: Fixed Fast 404 'Not found' pages are missing a doctype.

Issue #932110 by Albert Volkman, David_Rothstein, marji, jurgenhaas, dcam: On some servers, the Update Manager allows administrators to directly execute arbitrary code even without the PHP module. (Documentation fix)

Issue #7881 by mikeytown2, effulgentsia, gwynnebaer, Patrizio, sylus, pwolanin, David_Rothstein: Add support to drupal_http_request() for proxy servers.

Issue #932110 by dcam, Albert Volkman, jurgenhaas, marji, David_Rothstein: Add note to settings.php about updates and security

Issue #1310250 by joelcollinsdc: Fixed Improve reverse proxy ip address handing commenting and documentation.

Issue #76824 by geerlingguy, xjm, droplet, kbahey: Change notice for Drupal should not handle 404 for certain files.

- Patch #195416 by Damien Tournoud, David Strauss: table prefixes should be per database connection.

- Patch #302327 by Josh Waihi, noahb, Crell, hswong3i: support cross-schema/database prefixing like we claim to.

- Patch #258397 by John Morahan, Dries, R.Muilwijk, Bart Jansens, grendzy, Berdir: IP address identification not broad enough.