#414424 by sun, chx, Arancaytar, yched, et al: Introduce Form API #type 'text_format' for additional DX/security around rich text fields.

#163165 by Kars-T, bibo, martinquested, noahb, dereine, sun: Fixed Multilanguage support for user emails.

#677766 by matason and atheneus: Fixed Account gets blocked when user edits their profile. (with tests)

#734942 by Dave Reid: hook_token_info_alter() should be included in the 'token' group in system_hook_info().

#721210 by andypost: Preserve shutdown handlers in SimpleTest (Allow SimpleTest module to run without Search module)

#728434 by NEOatNHNG: Fixed Default template for 'Account activation' mail doesn't contain one-time-login link.

#260934 by plach, ShawnClark, et al: Fixed Static caching: cannot call drupal_validate_form() on the same form more than once.

#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.

#587706 by dalin: Fixed language_initialize() needs to clean up ['q'] just like drupal_path_initialize() does.

#306540 by halstead, Dave Reid, jvandyk, eMPee584: Fixed Orphaned assigned actions still triggered and cannot be removed.

- Patch #679530 by sun, David_Rothstein: administer filters permission should not affect text format widget.

- Patch #131737 by malc0mn, scor, v1nce, Pancho, mrfelton, nvanhove: fixed Return-Path being overwritten by the PHP mail() function.

- Patch #704182 by jide: use transparent PNG instead of opacity for overlay background to gain rendering performance.