Issue #2221535 by Cottser, joelpittet: TwigNodeVisitor's priority is too early and breaks some filters and macros.

Issue #2093173 by longwave, Cyberschorsch, forbesgraham, sandipmkhairnar, damiankloip, rbayliss, grom358, harijari, InternetDevels, dawehner: Remove all calls to drupal_json_decode(), use \Drupal\Component\Utility\Json::decode().

Issue #2216695 by sun, Damien Tournoud, Wim Leers, brantwynn: Run-tests.sh broken on OS X ('Too many open files').

Issue #2213451 by andypost, bdone, benjy, penyaskito, chx, claudiu.cristea, damiankloip, gregboggs, InternetDevels, jessehs, jhedstrom, marvil07, mikeryan, pcambra, Xano, YesCT: Update Migrate API in core

Issue #2217975 by tim.plunkett: ConfigEntityBase::preSave() doesn't properly support renames; ConfigStorageController::save() preforms renames too early.

Issue #2204143 by ianthomas_uk, sun: Remove deprecated drupal_explode_tags() and drupal_implode_tags().

Issue #2219457 by Wim Leers: SystemControllerTest::setLinkActiveClass() unit test has wrong namespace and lives in wrong location.

Issue #340723 by ParisLiakos, sun, Berdir, glennpratt, Cottser, swentel, alexpott, tstoeckler, Xano, tim.plunkett, BassistJimmyJam | beejeebus: Make modules and installation profiles only require .info.yml files.

Revert "Issue #340723 by ParisLiakos, sun, Berdir, glennpratt, Cottser, swentel, tstoeckler, Xano, tim.plunkett, BassistJimmyJam: Make modules and installation profiles only require .info.yml files."

This reverts commit b4c561d0.

Issue #1934788 by sun, pplantinga: 'Administration role' setting in User Account settings form defaults to first, randomly available user role.

Issue #340723 by ParisLiakos, sun, Berdir, glennpratt, Cottser, swentel, tstoeckler, Xano, tim.plunkett, BassistJimmyJam: Make modules and installation profiles only require .info.yml files.

Issue #2155635 by Berdir, tim.plunkett, dawehner: Allow plugin managers to opt in to cache clear during module install.

Issue #2218199 by andypost: Move email and number field types to \Drupal\Core\Field, remove modules.

Issue #2124377 by ellishettinga, Jelle_S, attiks, mdrummond, Schnitzel, InternetDevels: Rename "Picture" module to "Responsive Image" module.

Issue #2145103 by Berdir, das-peter, fago, amateescu: Provide non-configurable field types for entity created, changed and timestamp fields.

Issue #2189497 by paulh: Add docs to EntityType annotation class to tell where to actually find the relevant docs