Issue #1924220 by linclark: Support serialization in hal+json.
Issue #1940440 by vijaycs85: Fixed schema discovery to identify schema with more than one wildcard.
Issue #1938030 by dawehner: Replace View's usage of drupal_container()->get() with Drupal::service().
Issue #1136686 by mgifford, Devin Carlson: Aggregator Template Needs Context for Accessibility.
Issue #1922178 by vijaycs85, Gábor Hojtsy: Fixed issues in contact module configuration schema.
Issue #1935120 by larowlan: Fixed Unusual language use in tour module.
Issue #1938414 by damiankloip: Fixed frontpage (/node) view should use unfiltered text for empty area handler.
Issue #1875792 by Berdir, rootatwc, rbayliss: Standardize Guzzle exception handling.
Issue #1839998 by wiifm, mcm.guaba, Josh Waihi: Fixed TruncateQuery implemented as 'DELETE FROM' in MySQL and SQLite, but not PostgreSQL, causing nefarious table locking.
Issue #799356 by m1n0, jaffaralia, effulgentsia, vijaycs85: Fixed _form_set_class() is too aggressive in assigning the 'error' class.
Issue #1933914 by Wim Leers, Bojhan, quicksketch, wwalc: Enable CKEditor in the Standard install profile's 'Full HTML' text format.
Issue #1943142 by jessebeach: Add the main element to the list of HTML5 elements that get set to display block.
Issue #1942000 by Wim Leers: Node NG broke Edit module.
Issue #1894454 by Wim Leers: port improvements from D7 Edit to D8.
Issue #1800122 by chx, amateescu: [March 15] Bump minimum version of php required to 5.3.10.
Issue #1805316 by Rob Loach: Move composer.json to the project root.
Issue #1941252 by sender, webbykat: Fixed Wrong text on modules/themes directories in INSTALL.txt.
Issue #1885964 by fabpot: Fixed Avoid the creation of more than one DrupalKernel instance.
Issue #1914628 by Nephele: Fixed New user one-time-login link incorrectly states that email link will expire.
Issue #1261846 by catch: Document 1MB maximum size limit for cache_set().