Issue #2493475 by ifrik, walangitan, XaviP, jhodgdon, batigolix: Fix online docs references in Help to conform to our standards

Issue #2568613 by alexpott, lauriii, pwolanin: Remove HTML support from date formats and replace remaining !placeholder where format_date() and 'date.formatter' => format() are used

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 #2543334 by Wim Leers, lauriii, Fabianx: Auto-placeholdering for #lazy_builder with bubbling of contexts and tags

Issue #2545972 by alexpott, joelpittet, ericjenkins, stefan.r, Wim Leers, Cottser: Remove all code usages SafeMarkup::checkPlain() and rely more on Twig autoescaping

Issue #2511516 by lauriii, Xano, Wim Leers, dawehner: Make local tasks and actions hooks provide cacheability metadata, to make the blocks showing them cacheable

Issue #2560641 by alexpott, lauriii, Xano, borisson_, ianthomas_uk, olli: Remove all usages SafeMarkup::checkPlain() from render arrays

Revert "Issue #2560641 by alexpott, lauriii, Xano, borisson_, ianthomas_uk: Remove all usages SafeMarkup::checkPlain() from render arrays"

This reverts commit 31007609.

Issue #2560641 by alexpott, lauriii, Xano, borisson_, ianthomas_uk: Remove all usages SafeMarkup::checkPlain() from render arrays

Issue #507488 by lauriii, mdrummond, Wim Leers, Manuel Garcia, pwolanin, davidhernandez, chx, jibran, andypost, dawehner, Xano, tuutti, Gábor Hojtsy, LewisNyman, maximiliam, eiriksm, borisson_, bill richardson, Fabianx, joelpittet, Jeff Burnz, xjm, webchick, Bojhan, EclipseGc, emma.maria, tim.plunkett: Convert page elements (local tasks, actions) into blocks

Issue #2554585 by Wim Leers, effulgentsia, moshe weitzman: Tracker responses are missing a cache tag and a cache context

Issue #2552013 by Wim Leers: Follow-up for #2481453: ensure the 'url.query_args': MainContentViewSubscriber::WRAPPER_FORMAT cache context is set

Issue #2550823 by phenaproxima, neclimdul: Migrate Drupal integration tests should load all dump files

Issue #2082315 by Wim Leers, realityloop, mrjmd: Tracker history markers ("new" and "updated" markers, "x new replies" links) forces render caching to be per user

Issue #2471232 by borisson_, JeroenT, sorressean, rbmboogie, ruha, mariancalinro: Optimize Cache::merge*(), by only accepting 2 instead of N arguments

Issue #2512866 by lauriii, Berdir, Wim Leers, Fabianx, effulgentsia, catch, dawehner: CacheContextsManager::optimizeTokens() optimizes ['user', 'user.permissions'] to ['user'] without adding cache tags to invalidate that when the user's roles are modified

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

Issue #2484611 by jhedstrom, fgm, Berdir, borisson_, Wim Leers: Tracker responses don't set cache tags & contexts

Issue #2456521 by pjonckiere, mpdonadio, jhodgdon, rteijeiro, David_Rothstein, xjm: Add DateFormatter::formatDiff() as a non-buggy alternative to DateFormatter::formatInterval() when the start and end of the interval are known

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 #2459971 by Gábor Hojtsy: The langcode key on configuration files is not explicit in configuration schema

Issue #2457887 by prateekMehta, stefan.r, rpayanm, alexpott: Use Utility\SafeMarkup class instead of Utility\String for placeholder(), checkPlain(),format() functions

Issue #2401191 by jhedstrom, a_thakur, nlisgo, mohrerao: Activity Tracker shows 'Last updated' status as '45 years 1 week ago'

Issue #2451665 by dawehner: Don't rebuild the route on ModuleInstaller::install() (30% installer speedup)

Issue #2342045 by dawehner, Gábor Hojtsy, larowlan, joshtaylor: Standard views base fields need to use same rendering as Field UI fields, for formatting, access checking, and translation consistency

Issue #2433599 by Wim Leers: Ensure every (non-views) pager automatically associates a matching cache context

Issue #2322639 by hussainweb, LinL, Temoor, oenie, MKorostoff, mglaman, kyuubi, unstatu, omers, pcambra, legolasbo, benjy, JeroenT: Replace all instances of node_type_load(), node_type_get_types(), entity_load('node_type') and entity_load_multiple('node_type') with static method calls from DRUPAL SOUTH WOOOO!

Issue #2357199 by andypost, naiduharish: Consider CommentManagerInterface::addDefaultField() as deprecated and remove in favour of CommentTestTrait

Issue #2394883 by Gábor Hojtsy, plach, jhodgdon: Language setup for entity and field based rendering in views is independent, confusing UI, lacking test coverage

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