Issue #2246665 by jaredsmith, martin107, YesCT, filijonka, tstoeckler: Typehint with Drupal\Core\Language\LanguageInterface instead Drupal\Core\Language\Language.

Issue #2267053 by sidharthap, Daniel Norton, iMiksu, emclaughlin | joachim: Fixed breadcrumb is wrong on single log event pages.

Issue #1898422 by joelpittet, lokapujya, Salah Messaoud, stevector, Les Lim, pplantinga, jenlampton, drupalninja99, tlattimore, johannez | c4rl: Language.module - Convert theme_ functions to Twig.

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

Issue #950534 by mparker17, mgifford, Mixologic, jbloomfield, erinclerico, theMusician, wmostrey | zirvap: [policy] Consistently use email instead of e-mail in Drupal.

Issue #1920862 by martin107, Mixologic, cilefen, larowlan, xan.ps, tim.plunkett | sun: Rename custom_block.module to block_content.module.

Issue #2283061 by tim.plunkett: Fixed RequestPath condition uses non-existent service path.alias_manager.cached.

Issue #2248991 by marco, tstoeckler, xjm: Rename the 'log' field to 'revision_log' in Node and CustomBlock.

Issue #2211227 by mondrake, xjm | fietserwin: Refactor image and imagetoolkit: isExisting, isSupported, supportedTypes, getMimeType.

Issue #2277941 by yched: Allow injecting an arbitrary FieldConfig when building a FieldInstanceConfig.

Revert "Issue #806982 by lokapujya, gnuget, miqmago, shashi1028, Floydm, bfroehle, kathyh, sreynen: Tables should take an optional footer variable and produce <tfoot>."

This reverts commit 580fd45d.

Issue #2279623 by thedavidmeister: Fixed search_excerpt() should use unicode ellipsis characters instead of "...".

Issue #1963760 by amitgoyal, fnuppy | valthebald: Fixed Make sure install.php gives accurate information if Drupal is already installed.

Issue #2205185 by larowlan, hairqles, andypost, slashrsm: Split up ForumManager to create ForumIndexStorage.

Issue #2278133 by ParisLiakos: Fixed LoggerChannelFactoryTest::testGet() should use assertSame() not assertEquals().

Issue #2279635 by thedavidmeister: Fixed template_preprocess_username() should use Unicode::truncate().

Issue #806982 by lokapujya, gnuget, miqmago, shashi1028, Floydm, bfroehle, kathyh, sreynen: Tables should take an optional footer variable and produce <tfoot>.

Issue #2239861 by cs_shadow | pajooh: Fixed Incorrect file reference in /core/modules/system/css/system.theme.css.

Issue #2073661 by amateescu, claudiu.cristea, plopesc, xjm | yched: Add a EntityReferenceField::referencedEntities() method.

Issue #2080559 by izus, connork, eugenesia, InternetDevels, Rajesh Ashok, mrsinguyen: Remove unused local variables from the translation module.