Issue #2262147 by sun: Various base test classes are not abstract.
Issue #2262195 by sun: Various test classes are missing phpDoc.
Issue #2241249 by Wim Leers: First step in making search results pages cacheable: add the associated SearchPage's cache tag.
Issue #2250429 by ultimike, chx: D6_block migration not migrating all blocks.
Issue #2265913 by pwolanin: LinkGenerator::generateFromUrl() fatal (uncaught exception) with external URL.
Issue #2253977 by martin107, Mixologic: Use ConfigFactoryInterface to type hint ConfigFactory, Part II.
Issue #2264717 by penyaskito: Convert MigrateDrupal6Test into a reusable abstract class which can be reused for D7 and other migrations .
Issue #2263453 by chx, benjy: Split migration_dependencies into two keys.
Issue #2211611 by benjy | eliza411: The view mode source misses a requirements check for CCK.
Issue #2260239 by ultimike: D6->D8 Profile field (checkbox).
Issue #2214313 by chx, ultimike, benjy | eliza411: Contact: Not all values are being migrated.
Issue #2225959 by chx, ultimike: D6 Users and User Profile data isn't migrating.
Issue #2263849 by cs_shadow: Typo in comment/comment.tokens.inc ('tokes' instead of 'tokens').
Issue #2247595 by neclimdul: Fix phpunit coverage warnings.
Issue #2088027 by tim.plunkett | YesCT: Just placed block keeps changed color even after saving the block layout page.
Issue #2079863 by filijonka, mrsinguyen, fabricebernhard, Chernous_dn, YesCT: Remove Unused local variable from /core/lib/Drupal/Component Utility/Crypt.php  Transliteration/PHPTransliteration.php  Utility/UserAgent.php  Gettext/PoHeader.php.
Issue #2261461 by neclimdul: Fix indentation in default.settings.php.
Issue #2260035 by blueminds | jhodgdon: Hook_field_info_max_weight in field.api.php is not in a group/topic.
Issue #2259301 by martin107 | alexpott: Move OptGroup tests out of FormBuilderTest.
Issue #2218117 by dawehner, EclipseGc: Bring back metatag support for the HtmlPage object.