Issue #2350571 by mitrpaka: Replace extend of deprecated DrupalUnitTestBase with KernelTestBase in Field.

Issue #2320277 by jhodgdon: Fixed Views comment language field/filter is for original language code, no translation language field/filter.

Issue #2184907 by JeroenT, ParisLiakos, ianthomas_uk, hussainweb, dawehner: Remove uses of drupal_add_http_header and related functions.

Issue #2070737 by herom, EllaTheHarpy, alexpott: Change values of LanguageInterface::DIRECTION_(LTR/RTL) to ('ltr'/'rtl').

Issue #2273825 by rpayanm, dawehner: Fixed UserStorageInterface should extend EntityStorageInterface.

Issue #2293899 by leon.nk, nlisgo: Fixed hook_views_preview_info passes an instance of ViewsUI instead of ViewExecutable.

Issue #2158571 by tstoeckler, dawehner, kgoel, chx, tim.plunkett, catch, effulgentsia: Fixed Followup: Routes added in RouteSubscribers cannot be altered.

Issue #2336199 by benjy, tstoeckler, ultimike: Added Allow to specify the database target for a specific migration.

Issue #2348547 followup by larowlan: Fixed CommentViewBuilder should use static where possible, subclassing is currently too painful.

Issue #2342683 by David Hernández, dawehner: Fixed NodeViewBuilder should use static where possible, subclassing is currently too painful.

Issue #2319667 by aneek, vurt, dankh: Fixed Simpletest Module Double escaped HTML in hook_requirements.

Issue #74562 by naxoc, eiriksm, mikemiles86 | llizards: Added Show keywords in title of search results page.

Revert "Issue #2349651 by yannisc, larowlan: Fixed Default contact form does not send email as email recipient is not set during the installation."

This reverts commit 62f8b460.

Issue #2349651 by yannisc, larowlan: Fixed Default contact form does not send email as email recipient is not set during the installation.

Issue #2322037 by oenie, Temoor, jepSter, rpayanm: Replace all instances of responsive_image_mapping_load(), entity_load('responsive_image_mapping') and entity_load_multiple('responsive_image_mapping') with static method calls.

Issue #2347465 by tim.plunkett, dawehner, cilefen: Convert all instances of #type link/links to convert to use routes.

Issue #2322067 by Temoor, ashutoshsngh, roderik, finn.lewis: Replace all instances of taxonomy_term_load(), entity_load('taxonomy_term') and entity_load_multiple('taxonomy_term') with static method calls.

Issue #2318377 by dawehner, Wim Leers, damiankloip: Determine whether a view is cacheable and its required contexts, store this i/t config entity.

Issue #2346369 by Wim Leers: Support special '#attached' variable for attaching assets in preprocess functions.

Issue #2028053 by vegantriathlete, franxo, InternetDevels, thamas, rootwork, LewisNyman: Add typographic styles, components, and utility classes.

Issue #2350301 by mitrpaka: Replace extend of deprecated DrupalUnitTestBase with KernelTestBase in Contextual.

Issue #2226207 by lauriii, mgbellaire, Cottser, m1r1k, Mark Carver, LinL, rachel_norfolk, rteijeiro, skwashd, davidhernandez, euphoric_mv: Make 'template' the default output option for hook_theme().

Issue #2329901 by lanchez, lauriii | davidhernandez: Move form classes from preprocess to templates.

Issue #2343677 by damiankloip, znerol, Fabianx, pounard: Fixed Stack middleware suffers from incomplete service construction.

This reverts commit 39eb84fc.

Revert "Issue #2343677 by damiankloip, znerol, Fabianx: Fixed Stack middleware suffers from incomplete service construction."

This reverts commit c033857b.

Issue #2346791 by rpayanm, Palashvijay4 | thamas: Remove id selectors from page template of Seven  .

Issue #1946240 by eiriksm, David_Rothstein, Yaron Tal, madhusudanmca, rszrama: Remove the hardcoded 0 index in status-messages.html.twig.

Issue #2343677 by damiankloip, znerol, Fabianx: Fixed Stack middleware suffers from incomplete service construction.

Issue #2350915 by pwolanin: Don't require bundle option to be passed in when creating a MenuLinkContent entity.

Issue #2337379 by skippednote, BarisW, derjochenmeyer, herom, ChandeepKhosa, kiliweb, sqndr, Palashvijay4 | LewisNyman: Rename 'branding' to 'content-header'.