Issue #2600396 by mpdonadio, justAChris, tstoeckler, skyredwang, jhodgdon, Gábor Hojtsy, Matze202: DateFormatter::formatDiff passes an invalid language code TranslationInterface::formatPlural() leading to duplicated translations and untranslatable strings

Issue #2575737 by Cottser, davidhernandez: Copy templates, CSS, and related assets to Stable and override core libraries' CSS

Issue #2591147 by Chi: Filter criteria for views, option "Content is updated" - causes a SQL syntax error

Issue #2557815 by Wim Leers, effulgentsia, Fabianx, dawehner: Automatically bubble the "user.node_grants:$op" cache context in node_query_node_access_alter()

Issue #2501191 by jhedstrom: CacheCollector can result in an exception is cid + classname is too long to be used as a lock name

Issue #2589703 by dawehner, geertvd: Override number of items to display in contextual filter doesn't work

Issue #2584243 by stefan.r, pwolanin, dawehner, kgoel: Make Drupal handle  path aliases in a consistent and case-insensitive fashion on all database drivers

Issue #2606390 by anil.gangwal, sdstyles, dawehner, jhodgdon: mark \Drupal\Core\Utility\LinkGeneratorInterface::generate as internal

Issue #2177293 by droplet, swentel, nod_, korven, LewisNyman, xjm, neclimdul: Drag and drop broken on touch enabled laptops

Issue #2609114 by rakesh.gectcr, chx, dawehner, tim.plunkett: Unused variable in LocalTaskManager class

Issue #1269780 by hswong3i, damien_vancouver, Agileware, ricardoamaro, alexpott, axel.rutz, yannickoo: Remove symlinks option from .htaccess

Issue #2608126 by joshi.rohit100: Drop the unused function \Drupal\Core\DependencyInjection\ContainerBuilder::synchronize !

Issue #2606392 by er.manojsharma, sdstyles: mark \Drupal\Core\Utility\LinkGeneratorInterface::generatFromLink as internal

Issue #2606378 by anil280988, kaushalkishorejaiswal, sdstyles: mark \Drupal\Core\Routing\UrlGeneratorInterface::generate() as internal

Issue #2605254 by mikeryan, phenaproxima: LinkItem::generateSamplevalue() does not respect link_type setting

Issue #2591533 by neclimdul, mikeryan: idMap can be called before it is initialized in SourcePluginBase

Issue #2584419 by alexpott: Profile configuration overrides should be able to override module configuration always

Issue #2574975 by alexpott, Cottser, izus: Allow (base-)themes to be excluded from the UI (e.g. blocks, Appearance)

Issue #2606466 by mikeryan, Wim Leers, phenaproxima, quietone: Migration of uid 1 breaks batch upgrade process

This reverts commit 991e1433.

Issue #2592925 by Fabianx, Sagar Ramgade: Harden drupalSettings selector against XSS when CSP is enabled

Issue #2604602 by mikeker: ImageItem::generateSampleValue() throws "Call to a member function id() on a non-object" exception

This reverts commit 5dc2bd06.

Issue #2594565 by klausi, marthinal, dawehner, Berdir, yched: File extension + max_filesize should be validated using a Constraint on file fields

Issue #2607364 by plach, hchonov, catch: RC1 filled database update fails due to beta-12 to RC1 upgrade path issue

Issue #2598070 by Wim Leers, jaxxed, DuaelFr, Haza, Reinmar, oleq: [regression] CKEditor Link button does not show if HTML filtering is enabled

Issue #2585173 by Wim Leers, Jelle_S, DuaelFr, nod_, Reinmar, attiks: [regression] "Allowed HTML tags" setting corrupted upon accessing Text Format configuration UI

Issue #2510380 by Wim Leers, DuaelFr, mlewand, quicksketch, Reinmar, oleq: Images cannot be linked in CKEditor

Revert "Issue #2510380 by Wim Leers, DuaelFr, mlewand, quicksketch, Reinmar, oleq: Images cannot be linked in CKEditor"

This reverts commit 2d342c0f.

Issue #2510380 by Wim Leers, DuaelFr, mlewand, quicksketch, Reinmar, oleq: Images cannot be linked in CKEditor