Issue #1943142 by jessebeach: Add the main element to the list of HTML5 elements that get set to display block.

Issue #1933914 by Wim Leers, Bojhan, quicksketch, wwalc: Enable CKEditor in the Standard install profile's 'Full HTML' text format.

Issue #799356 by m1n0, jaffaralia, effulgentsia, vijaycs85: Fixed _form_set_class() is too aggressive in assigning the 'error' class.

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 #1938414 by damiankloip: Fixed frontpage (/node) view should use unfiltered text for empty area handler.

Issue #1938030 by dawehner: Replace View's usage of drupal_container()->get() with Drupal::service().

Issue #1935762 by plach: Remove entity_load_unchanged() call from FieldTranslationSynchronizer::synchronizeFields().

Issue #1839080 by Berdir, fago, dasjo, jjchinquist: Implement the new entity field API for the link field type.

Issue #1938948 by Cottser: Temporarily allow PHPTemplate themes to use .html.twig templates during Twig conversion.

Issue #1209226 by catch, Berdir, miro_dietiker, beejeebus, dagmar: Fixed Avoid slow query for path alias whitelists.

Issue #1793042 by webchick: Fixed Notice: Use of undefined constant langcode in _update_message_text() (line 605 of update.module) when installing Drupal 8.x.

Issue #1933548 by alexpott: Fixed Book allowed_types() settings repetitive and in under certain conditions can change unexpectedly.

Rollback of Issue #1937140 by Berdir: image_jpeg_quality logically belongs to image toolkits, so will handle it as part of converting those to plugins.

Issue #1898060 by taslett, jenlampton, Cottser: Remove all (useless) theme functions from dblog module, so we don't have to convert to Twig.

Issue #1818556 by das-peter, plach, fago, Berdir, vijaycs85: Change notice: Convert nodes to the new Entity Field API.

Issue #1857376 by dawehner, tstoeckler, damiankloip: Provide an area handler that renders an entity.

Issue #1843220 by mkadin, dawehner, Crell, effulgentsia, Wim Leers: Convert form AJAX to new AJAX API.

Issue #1925196 by tim.plunkett, joergM, robmc: Convert book's system_config_form() to SystemConfigFormBase.

Issue #1821548 by heyrocker, swentel, Dean Reilly, dawehner, alexpott, vijaycs85, jhedstrom, adamdicarlo: Add a 'diff' of some kind to the CMI UI.