Issue #2299427 by tim.plunkett, amitgoyal, joshi.rohit100: Remove drupal_build_form() once all its usage is removed as it is deprecated.

Issue #1825952 by Fabianx, joelpittet, bdragon, heddn, chx, xjm, pwolanin, mikey_p, ti2m, bfr, dags, cilefen, scor, mgifford: Turn on twig autoescape by default

Issue #2304965 by longwave | klausi: Fixed Port form_select_options() XSS fix from SA-CORE-2014-003.

Issue #1419036 by lauriii, gnuget, wheatpenny, InternetDevels, oliverhm, scresante, patrickd | sun: Added a CSS class for form items that have no label.

Issue #2152215 by joelpittet, mr.baileys, benjifisher, martin107, rteijeiro, hussainweb, shanethehat, jenlampton, kpa, AnythonyR, EVIIILJ, kgoel, Cottser, dsdeiz, hanpersand, bayousoft: Convert theme_form_element_label() to Twig

Issue #2152219 by joelpittet, mdrummond, rodrigoaguilera, sqndr, rteijeiro, InternetDevels, steveoliver, hussainweb, shanethehat, jenlampton, kpa, AnythonyR, EVIIILJ, kgoel, Cottser, dsdeiz, hanpersand: Convert theme_input() to Twig

Issue #2152205 by joelpittet, mark.labrecque, Manuel Garcia, pakmanlh, steveoliver, hussainweb, shanethehat, jenlampton, kpa, AnythonyR, EVIIILJ, kgoel, Cottser, dsdeiz, hanpersand: Convert theme_date() to #theme input__date

Issue #2246665 by jaredsmith, martin107, YesCT, filijonka, tstoeckler: Typehint with Drupal\Core\Language\LanguageInterface instead Drupal\Core\Language\Language.

Issue #950534 by mparker17, mgifford, Mixologic, jbloomfield, erinclerico, theMusician, wmostrey | zirvap: [policy] Consistently use email instead of e-mail in Drupal.

Issue #2244447 by alexpott, sun, Berdir: Translation of low-level info/annotations leads to circular dependencies.

Issue #2257835 by tim.plunkett, sun, Jalandhar: Move form submission logic out of FormBuilder into a new class.

Issue #2152217 by joelpittet, mgifford, vijaycs85, jjcarrion, sun: Remove theme_form_required_marker() from the theme system - use CSS instead.

Issue #2221695 by brantwynn, ianthomas_uk, grom358, ParisLiakos, Jalandhar: Remove uses of deprecated URL functions.

Issue #2152201 by Salah Messaoud, Manuel Garcia, steveoliver, joelpittet, burgerboydaddy, katy5289, hussainweb, shanethehat, jenlampton, kpa, AnythonyR, EVIIILJ, kgoel, Cottser, dsdeiz, hanpersand: Convert theme_checkboxes() to Twig

Issue #2089433 by ianthomas_uk, grom358, herom, thedavidmeister, visabhishek, longwave, Sweetchuck: Remove uses of deprecated XSS filter functions.

Issue #2121175 by Codenator, tim.plunkett, cosmicdreams, jayeshanandani, grom358, ianthomas_uk, Xano: Remove usage of drupal_get_form().

Issue #2219617 by visabhishek, galooph, joshtaylor, Cottser: Remove @ingroup themeable from preprocess function docblocks.

Issue #2152221 by IshaDakota, steveoliver, joelpittet, InternetDevels, rteijeiro, hussainweb, shanethehat, jenlampton, kpa, AnythonyR, EVIIILJ, kgoel, Cottser, dsdeiz, hanpersand: Convert theme_radios() to Twig

Revert "Issue #2152221 by IshaDakota, joelpittet, InternetDevels, rteijeiro | Cottser: Convert theme_radios() to Twig."

Oops. Bad commit credit. Re-committing.

This reverts commit 3b8d35aa.

Issue #2152221 by IshaDakota, joelpittet, InternetDevels, rteijeiro | Cottser: Convert theme_radios() to Twig.

Issue #2171071 by jessebeach, dawehner, chakrapani, longwave, Gábor Hojtsy, xjm, Wim Leers: Rename drupal_add_library() to _drupal_add_library() and remove its uses.

Issue #2203407 by nod_, sun: Replace #attached library array values with provider-namespaced strings.

Issue #2152209 by longwave, joelpittet, steveoliver, hussainweb, shanethehat, jenlampton, kpa, AnythonyR, EVIIILJ, kgoel, Cottser, dsdeiz, hanpersand: Convert theme_fieldset() to Twig.

Issue #2152211 by joelpittet, IshaDakota, rteijeiro, steveoliver, hussainweb, shanethehat, jenlampton, kpa, AnythonyR, EVIIILJ, kgoel, Cottser, dsdeiz, hanpersand: Convert theme_form() to Twig.

Issue #2152225 by longwave, JeroenT, steveoliver, joelpittet, hussainweb, shanethehat, jenlampton, kpa, AnythonyR, EVIIILJ, kgoel, Cottser, dsdeiz, hanpersand: Convert theme_select() to Twig

Issue #1938926 by sun, Cottser, joelpittet, pplantinga: Convert simpletest theme tables to table #type.

Issue #2070369 by herom, bdgreen, Mac_Weber, InternetDevels, sidharthap, JeroenT: Remove all calls to deprecated function language().