Issue #2260061 by attiks, Jelle_S, Wim Leers: Implement Picture polyfill 2.0.
Issue #2226933 by cs_shadow, tim.plunkett, mandar.harkare, mortendk: Remove odd, even, first & last classes from views-view-unformatted.html.twig.
Issue #2263273 by alexpott: Config_snapshot table can be created by the storage class itself.
Issue #2241235 by Wim Leers: Shortcut/ShortcutSet entity types should use cache tags.
Issue #2068333 by roderik, skipyT, pcambra, plach, Désiré, marcingy, peximo: Convert node SQL queries to the Entity Query API.
Issue #2263287 by alexpott: Test the CachedStorage class using ConfigStorageTestBase.
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.