Issue #2719695 by alexpott, Mile23: Fix 'Drupal.Classes.ClassDeclaration.CloseBraceAfterBody' coding standard

Issue #2706753 by Mile23: Fix 'PSR2.Classes.PropertyDeclaration.ScopeMissing/VarUsed' coding standard

Issue #2572777 by andypost, alexpott, attiks, andriyun: Fix 'Squiz.Strings.ConcatenationSpacing' coding standard

Issue #2653346 by Wim Leers, borisson_: Add UncacheableDependencyTrait: the opposite of UnchangingCacheableDependencyTrait

Issue #2665992 by alexpott, klausi, heykarthikwithu, xjm, tstoeckler: @file is not required for classes, interfaces and traits

Issue #2600666 by tim.plunkett: Route definitions using entity type paramconverters with serial IDs should add an integer requirement

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

Issue #2502621 by Pravin Ajaaz, hussainweb, Peacog, jhodgdon, ivanjaros: Replace implement notes with inheritdoc tag

Issue #2548195 by nod_, JohnAlbin, madhavvyas, sriharsha.uppuluri: Only use single quotes in JavaScript and update .eslintrc

Issue #2464427 by jibran, Wim Leers, Berdir, borisson_: Replace CacheablePluginInterface with CacheableDependencyInterface

Issue #2560783 by stefan.r, joelpittet, lauriii, Cottser, Sutharsan, kgoel, justAChris, Gábor Hojtsy, dawehner, jhodgdon, effulgentsia, xjm, andypost, googletorp: Replace !placeholder with :placeholder for URLs in hook_help() implementations

Issue #1392754 by tss, justAChris, jhodgdon: Comply with new documentation standards for @file for namespaced class files

Issue #2511472 by Wim Leers, Fabianx, dawehner: Refactor all usages of drupal_render()/Renderer::render() that break #2450993

Issue #2500977 by olli: History module triggers a post request for anonymous users on all node pages

Issue #2478483 by Wim Leers, Fabianx: Introduce placeholders (#lazy_builder) to replace #post_render_cache

Issue #2491155 by mikeburrelljr, Mac_Weber, opdavies: Update drupal.org and kernel.org URLs in core modules (Follow-up to 2489912)

Issue #2473105 by ifrik, jhodgdon, lostkangaroo, opratr, LinL: Update hook_help texts that link to modules that can be uninstalled

Issue #2358079 by pwolanin, Berdir: Require a specific placeholder format in db_query() in order to trigger argument expansion, and require explicit 'IN' parameter for conditions

Issue #2030607 by hussainweb, Mile23, Kingdutch, alexpott, balagan, amateescu, adci_contributor, Xano, mon_franco, cilefen: Expand EntityDisplayBase with methods

Issue #784626 by Wim Leers, Manuel Garcia, jcisio, joelpittet, Bevan, fcaspani, dcmouyard: Default all JS to the footer, allow asset libraries to force their JS to the header

Issue #2368797 by Wim Leers, dawehner, rteijeiro: Optimize ajaxPageState to keep Drupal 8 sites fast on high-latency networks, prevent CSS/JS aggregation from taking down sites and use HTTP GET for AJAX requests

Issue #2396657 by Mile23: Clean-up history module test members - ensure property definition and use of camelCase naming convention

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

Issue #1922966 by jibran, damiankloip: Remove 'bool' and 'translatable' key from option definitions.

Issue #2340251 by iMiksu, alexpott, tim.plunkett, dawehner, Wim Leers: Remove most remaining url() calls.

Issue #2335659 by tim.plunkett, dawehner, effulgentsia, sun: Remove FormState ArrayAccess usage from core.

Issue #2213899 by dawehner, joelpittet: Remove global $user wherever possible (outside bootstrap and authentication) Round 2.