Issue #2776975 by joelpittet, dawehner, tim.plunkett, xjm, pfrenssen: March 3, 2017: Convert core to array syntax coding standards for Drupal 8.3.x RC phase

Issue #2502195 by vijaycs85, larowlan: \Drupal\Core\StringTranslation\Translator\CustomStrings should be serializable, but contain \Drupal\Core\Site\Settings which is not

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

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

Issue #2573975 by alexpott, juampynr, Berdir, edurenye: function_exists check in PluralTranslatableString is wrong

Issue #2676472 by micaelamenara, jhodgdon: docs for t() and related functions don't explain how context works

Issue #2600118 by aerozeppelin, anil280988, stefan.r, dawehner, andypost, sdstyles, ramirez.gerardo: Return TranslationWrapper in t() and $this->t() directly

Issue #2606246 by rang501, heykarthikwithu: StaticTranslation::getLanguage, add @return values in the comment docblocks

Issue #2600078 by YesCT, koppie, kgoel: Correct syntax for data type documentation in TranslationManager.php

Issue #2613976 by Oleksiy: Remove redundant "See..." that duplicates "@see..." in protected method documentation

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 #2600672 by alexpott, dawehner: Core MarkupInterface implementations used in Twig templates should implement \Countable

Issue #2578377 by YesCT, jhodgdon, Gábor Hojtsy, alexpott, herom, xjm: Make translatable docs consolidated and better for developers

Issue #2585781 by anil280988, Davinder.Snehi, sdstyles, lucian.gutoiu, Chi, jhodgdon, GoZ, YesCT: Wrong documentation of t()

Issue #2584797 by DuaelFr: \Drupal\Core\StringTranslation\StringTranslationTrait::formatPluralTranslated uses dead code

Issue #2570285 by mr.baileys, cpj, stefan.r, alexpott, nlisgo, joelpittet, Aki Tendo, borisson_, chx, dawehner, s_leu, Berdir: Make sure TranslatableMarkup accepts string values only

Issue #2576533 by alexpott, stefan.r, Wim Leers, dawehner, xjm, effulgentsia, catch: Rename SafeStringInterface to MarkupInterface and move related classes

Issue #2570431 by stefan.r, YesCT, David_Rothstein, xjm, catch, effulgentsia, Heine, dawehner, plach, lauriii, alexpott, joelpittet: Document that certain (non-"href") attribute values in t() and SafeMarkup::format() are not supported and may be insecure

Revert "Issue #2570431 by stefan.r, YesCT, David_Rothstein, xjm, catch, effulgentsia, Heine, dawehner, plach, lauriii, alexpott, joelpittet: Document that certain (non-"href") attribute values in t() and SafeMarkup::format() are not supported and may be insecure"

This reverts commit 4d8e0102.

Issue #2570431 by stefan.r, YesCT, David_Rothstein, xjm, catch, effulgentsia, Heine, dawehner, plach, lauriii, alexpott, joelpittet: Document that certain (non-"href") attribute values in t() and SafeMarkup::format() are not supported and may be insecure

Issue #2571695 by dawehner, plach, stefan.r, jaredsmith, lauriii, YesCT, xjm, catch, alexpott, joelpittet, Ryan Weal, Sutharsan, subhojit777, justAChris, nlisgo, effulgentsia, rpayanm, larowlan, chx, geertvd: Remove !placeholder and unsafe string return from SafeMarkup::format()

Issue #2559971 by stefan.r, alexpott, lauriii, nlisgo, plach, dawehner: Make SafeMarkup::format() return a safe string object to remove reliance on a static, unpredictable safe list

Issue #2509218 by plach, stefan.r, pwolanin, effulgentsia, dawehner, jhedstrom, almaudoh, Wim Leers, subhojit777, iMiksu, alexpott, catch, xjm, lauriii, joelpittet, Cottser: Ensure that SafeString objects can be used in non-HTML contexts

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

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

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

Issue #2557113 by stefan.r, alexpott, dawehner, joelpittet, cilefen, lauriii, plach, catch, chx, xjm: Make t() return a TranslationWrapper object to remove reliance on a static, unpredictable safe list

Issue #2562487 by stefan.r, chx, tim.plunkett, dawehner, alexpott: Get better error reporting from __toString

Issue #2559969 by alexpott: Make SafeStringInterface extend \JsonSerializable so we don't have to do so much string casting

Issue #2488304 by genjohnson, lauriii, YesCT, Mariano, Gábor Hojtsy, jhodgdon, xjm: Add more docs that translate() also marks strings as safe

Issue #2338081 by pwolanin, dawehner, effulgentsia, kgoel, vijaycs85, mpdonadio, chx, brandon.holtsclaw, alexpott, Gábor Hojtsy, Fabianx, catch, YesCT, JvE: Local Tasks, Actions, and Contextual links mark strings from derivatives (or alter hooks) as safe and translated