Issue #2572599 by stefan.r, dawehner, pwolanin, amateescu: Replace !placeholder with @placeholder in a few remaining places

Issue #2546196 by andriyun, neclimdul, hussainweb, mgifford, Wim Leers, TR, andypost: Toolbar's orientation-toggling arrows broken by #2173527

Issue #2506479 by lauriii, xjm, stefan.r, larowlan, plach, dawehner: Replace !placeholder with @placeholder for non URLs in t() in Views, except for t() output that is used as an attribute value

Issue #2455211 by nlisgo, haasontwerp, andypost, HOG, emma.maria, Manjit.Singh, davidhernandez: Comment field displayed last regardless of assigned weight

Issue #2561331 by geertvd: When 'administer content types' permission is disabled, content type field is hidden in content manager

Issue #2550225 by swentel, yched, Wim Leers, aspilicious: quickedit_test_entity_view_alter() creates a non compliant field render array

Issue #2571291 by pwolanin, aneek, stefan.r: In WebTest code, assertEqual and assertIdentical should always show the 2 values on failure

Issue #2570355 by Sutharsan, stefan.r, kgoel, josephdpurcell, joelpittet, justAChris, dawehner, pfrenssen, pwolanin, David_Rothstein, catch: Replace remaining !placeholder and @placeholder with :placeholder for URLs

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 #2571375 by alexpott, webflo, stefan.r, Xano, mr.baileys: Remove TranslationManager dependency from LanguageManager

Issue #2571923 by nevergone: Remove HTML support from date formats and replace remaining !placeholder for aggregator

Issue #2571593 by dawehner, lauriii, Berdir: Fatal error: Cannot use object of type Drupal\Core\GeneratedLink as array in Tableselect.php on line 220

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 #2568171 by Cottser, dawehner, hussainweb, Wim Leers, cilefen, znerol: Upgrade to Twig 1.22 and implement our own cache class

Issue #2568775 by dawehner, lauriii, alexpott, joelpittet, xjm: Replace remaining !placeholder for Non-URL HTML outputs only for $e->getMessage()

Issue #2565895 by dawehner, stefan.r, googletorp, effulgentsia, lauriii, jcnventura, David_Rothstein, catch, xjm, joelpittet, pwolanin, plach, larowlan, cilefen: Add a new :placeholder to SafeMarkup::format() for URLs that handles bad protocols

Issue #2570107 by alexpott: Make format_plural() return a PluralTranslatableString object to remove reliance on a static, unpredictable safe list

Issue #2473947 by Cottser, davidhernandez, rachel_norfolk, rteijeiro, cilefen, alimac, akalata, YesCT, mortendk: Prefix form-item-* classes with js-

Issue #2567741 by mr.baileys: Attribute/drupal_attributes() docs do not mention protocol filtering on URLs

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

Issue #2569069 by stefan.r, mr.baileys, alexpott, lauriii: Replace TranslationWrapper with TranslatableString and deprecate TranslationWrapper

Issue #2569281 by iMiksu, dawehner, lauriii, alexpott, joelpittet, xjm: Change translatable string with !placeholder AccountForm to use a URL instead of a generated link and provide better context

Issue #1894596 by googletorp, tstoeckler, swentel, Uccio, Gábor Hojtsy: Account settings cannot be saved anymore if content translation module is installed

Issue #2568977 by alexpott, dawehner, pwolanin, Wim Leers: Replace SafeMarkup::format() in the link generator - it's a bad example to everyone