- Patch #769226 by Owen Barton, sun, effulgentsia, alanburke, bleen18, mfer: optimize JS/CSS aggregation for front-end performance and DX.

#614082 by dww, c960657: Fixed SimpleTest error collector tests fail when verbose logging is enabled.

#930122 by dww: Regression: temp directory handling broken by confusion between file_directory_temp and file_temporary_path.

#438224 by dww, sun, netsensei, vordude, et al: 'Post comments without approval' permission name is completely misleading.

- Patch #700558 by dww: add test to ensure filename extensions are properly merged in the Update manager UI.

- Patch #612546 by dhthwy, jpmckinney, dww: remove the broken FileTransferFTPWrapper (file stream) class.

#895176 follow-up by Berdir: Don't run the upload module upgrade path if there's nothing to upgrade.

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

- Patch #561858 by effulgentsia, sun, rfay, Nick_vh, merlinofchaos, katbailey, dereine, tstoeckler: drupal_add_js() and drupal_add_css() to work for AJAX requests too by adding lazy-load to AJAX framework.

#864464 follow-up by David_Rothstein: Move notice about requiring latest version of Drupal so it only comes up the first time update.php is ran.

#895176 by ksenzee, dereine, mongolito404, Berdir, moshe weitzman, chx: Fixed upgrade fails because of integrity constraint violation in system_update_7060.

#901062 by effulgentsia, ygerasimov, et al: Fixed regression: themes can no longer remove stylesheets by overriding them in .info files.