Issue #1988508 by katbailey, aspilicious, dawehner: Stop pretending we support Symfony bundles when we really just have service providers.

Issue #2028039 by ParisLiakos, jsbalsera, undertext, mcrittenden, xeniak, amateescu: Expand ItemInterface (aggregator.module) with methods.

Issue #2113015 by Wim Leers, amateescu: Add drupal_merge_attached() function, to merge #attached assets.

Issue #1975962 by Wim Leers, jibran, c4rl, amateescu: Move comment_links() into CommentRenderController.

Issue #2102125 by dawehner, tim.plunkett, neclimdul, pwolanin, YesCT, damiankloip, Tim Bozeman: Big Local Task Conversion.

Issue #2019911 by johnmcc: Add install requirement that open_basedir() = Off since 8.x currently doesn't support it.

Issue #2062183 by cloud2006, LinL, m1r1k, likin: Remove calls to deprecated global  in core/modules/user/lib/Drupal/user/AccountFormController.php.

Issue #2113441 by damiankloip: Move remaining views.module helper functions to Drupal\views\Views class.

Issue #1951386 by benjy, theduke, andypost, tim.plunkett: Fixed Extend BlockPluginInterface::access to allow passing in an account.

Issue #2102441 by sidharthap, -enzo-, InternetDevels, rteijeiro: Remove drupal_set_title() in config module controllers.

Issue #2095943 by dotoree, Tim Bozeman: Core modules and themes missing the version attribute in info.yml.

Issue #2091335 by lostkangaroo, cosmicdreams, batigolix, yingtho, neclimdul: Fix up hook_help for the help module

Issue #2107137 by dawehner, damiankloip, tim.plunkett: Fix the DX for declaring custom access checkers.

Issue #338403 by klausi, jhodgdon, grisendo, YesCT, drewish: Use {@inheritdoc} on all class methods (including tests).

Issue #1982256 by mortendk, rteijeiro, tim.plunkett, LewisNyman, tlattimore, yannickoo, ry5n: Clean up html.html.twig markup.

Issue #2061929 by likin, m1r1k, robmc, InternetDevels: Remove calls to deprecated global  from language.module.

Issue #2105983 by mr.baileys, jhodgdon, vijaycs85, a_thakur: Make sure all YML files in Search module have no type-casting to string.

Issue #2011082 by jiff, phiit, swentel, pfrenssen: Replace drupal_container() with Drupal::service() in the field module.

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

Issue #2098795 by tim.plunkett, Sean Charles, tstoeckler, dawehner, larowlan, damiankloip: Create Base Class for RouteSubscriber Class.

Issue #2062761 by tim-e, larowlan, jhodgdon, ifrik, pameela: Update hook_help() for custom_block() modules.

Issue #2041629 by tkoleary, mcrittenden, manningpete, superspring: Shorten ridiculously long and verbose text in file upload field.

Issue #2114127 by Alan D.: Fixed Missing provider key in views.view.user_admin_people().yml - Undefined index: provider in Broken->adminLabel().

Issue #2112303 by Gábor Hojtsy: Fixed Random extra text around translatability configuration is confusing.