Issue #3048498 by jonathan1055, Lendude, naveenvalecha, klausi, alexpott, Gábor Hojtsy: [≈Nov. 11] Fix Drupal.Commenting.Deprecated coding standard

Issue #2731817 by mikelutz, ashishdalvi, Sonal.Sangale, dbt102, andypost, jhodgdon, martin107, roderik: Replace all calls to the deprecated Drupal::url() function in Core

Issue #2826404 by mpdonadio, Jo Fitzgerald, jhedstrom, larowlan: Create DateTimeItemInterface and deprecate global constants in datetime.module

Issue #2830094 by mpdonadio, Yogesh Pawar, arunkumark, jhedstrom, larowlan, alexpott: Deprecate and remove usages of datetime_date_default_time()

Issue #2776975 by joelpittet, dawehner, tim.plunkett, xjm, pfrenssen: March 3, 2017: Convert core to array syntax coding standards for Drupal 8.3.x RC phase

Issue #2572801 by alexpott, vprocessor, andriyun, andypost, chishah92, Mile23, attiks, hussainweb, klausi, dawehner, pfrenssen: Fix 'Drupal.WhiteSpace.ScopeIndent' coding standard

Issue #2716685 by Mile23: Part 2: Fix several errors in the 'Drupal.Commenting.DocComment' coding standard

Issue #2560783 by stefan.r, joelpittet, lauriii, Cottser, Sutharsan, kgoel, justAChris, Gábor Hojtsy, dawehner, jhodgdon, effulgentsia, xjm, andypost, googletorp: Replace !placeholder with :placeholder for URLs in hook_help() implementations

Issue #2491155 by mikeburrelljr, Mac_Weber, opdavies: Update drupal.org and kernel.org URLs in core modules (Follow-up to 2489912)

Issue #2473105 by ifrik, jhodgdon, lostkangaroo, opratr, LinL: Update hook_help texts that link to modules that can be uninstalled

Issue #2327363 by yched, andypost: Move datetime_datetime_widget_validate() to DateTimeDefaultWidget::massageFormValues().

Issue #2226493 by Berdir, Wim Leers, m1r1k, mr.baileys, andypost, scor, cbr, joelpittet: Apply formatters and widgets to Node base fields.

Issue #2091397 by vijaycs85, batigolix, targoo, jhodgdon | ifrik: Create hook_help for Datetime module.

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

Broke HEAD.

This reverts commit 0f0edea2.

Issue #2095195 by yched, fago, Berdir, amateescu, swentel, pfrenssen, Xano: Remove deprecated field_attach_form_*().

Issue #2177469 by Gábor Hojtsy, Aron Novak, swentel, andypost, Berdir: Move node base widgets to the top level of the form.

Issue #1989468 by plopesc, yched, Wim Leers, effulgentsia: Weird messing with 'default_value_function' in date widgets.

Issue #2080067 by beowulf1416, netsensei: Remove Unused local variable $has_time from /core/modules/datetime/datetime.module.

Issue #2050835 by Berdir | yched: Move Widget, Formatter, and FieldType plugin types to the Core\Field system.

Issue #1953408 by swentel, aspilicious, andypost, yched: Remove ArrayAccess BC layer from field config entities.

Issue #2000384 by yuradoc, Damien Tournoud, alexpott: Fixed php-intl module causes problems with Date and Time fields when editing Basic Page.