Issue #2112675 by tim.plunkett: Convert dblog_filter_form and dblog_clear_log_form to FormInterface.

Issue #2149599 by Wim Leers: Fix minor bugs and minor coding standards violations in edit.module, discovered by backporting.

Issue #2105931 by sidharthap: Make sure all YML files in Content Translation module has no type-casting to string.

Issue #2141055 by Wim Leers: When multiple instances of the same entity on one page, only the first can be edited.

Issue #2109793 by damiankloip, dawehner, tim.plunkett: Convert element_* methods in common.inc to a class.

Issue #2150171 by alexpott, swentel: Confirm form of a simple setting always says it's creating a new configuration.

Issue #2143519 by yched, Wim Leers: Allow FieldInstance yml files to refer to the Field by field name rather than by field_uuid.

Revert "Issue #1189804 by cosmicdreams, jessebeach, mgifford, pwieck, smiro, dcmouyard: Convert aggregator-feed-source.html.twig to HTML5."

This reverts commit 5ca04d67.

Issue #2151439 by Wim Leers: Run node op links through #post_render_cache to prevent render caching granularity being

Issue #2102479 by InternetDevels, dipen chaudhary: Remove drupal_set_title in system/ajax_test module controllers.

Issue #1876904 by ekl1773, babruix, jhodgdon, kim.pepper, janip: Implement hook_help() for views.module.

Revert "Issue #2143519 by yched: Allow FieldInstance yml files to refer to the Field by field name rather than by field_uuid."

This reverts commit f2e66e87.

Issue #2061925 by alweb, Albert Volkman, dawehner: Remove calls to deprecated global  in views_ui module.

Issue #2028035 by vladan.me, ceng, Berdir, David Hernández, larowlan: Expand CustomBlockInterface with methods.

Issue #1189804 by cosmicdreams, jessebeach, mgifford, pwieck, smiro, dcmouyard: Convert aggregator-feed-source.html.twig to HTML5.

Issue #2105955 by japerry: Make sure all YML files in Field UI module has no type-casting to string.

Issue #1991292 by swentel: Output of labels from hook_field_extra_fields() should not use check_plain().

Issue #2148797 by Gábor Hojtsy, yched, effulgentsia: field_language() always NULL for non-configurable fields (=> in-place editing of node title fails).

Issue #2067551 by lokapujya, Kartagis, sandipmkhairnar, jlindsey15:  /core/lib/Drupal/Core/Routing/MatcherDumper.php will never roll back its transaction.

Issue #2143519 by yched: Allow FieldInstance yml files to refer to the Field by field name rather than by field_uuid.

Issue #2147899 by anavarre: Better indicate what to fill in the single import's Configuration name field.

Issue #2150623 by dawehner, pwolanin, rfay: Subdirectory + Clean URLs failure: 6.x-3.x PIFR: 3 Failures in D8 test.

Issue #2145007 by tim.plunkett, h3rj4n: Convert form_set_error() in FormBase classes to use FormErrorInterface.

Issue #2107693 by vijaycs85, rych: Provide configuration schema for views.settings + update views.settings to reflect current configuration setup.