Issue #2926068 by almaudoh, andypost, voleger, claudiu.cristea, Oleksiy, YurkinPark, yo30, alexpott, dawehner, Berdir: Deprecate system_rebuild_module_data() and remove usages in core

Issue #2937853 by idebr, mfernea, SherFengChong, alexpott, borisson_: Fix 'Drupal.Formatting.MultipleStatementAlignment' coding standard

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 #1832946 by Sutharsan, Jose Reyero, Gábor Hojtsy, Wim Leers, vijaycs85: Runtime translation download fallback works different from installer translation download fallback

Issue #2367747 by Palashvijay4O, andypost, Alienpruts, Cottser, er.pushpinderrana, gaurav.pahuja, pfrenssen, rpayanm, vadim.hirbu: Remove usage of system_rebuild_theme_data()

Issue #2030537 by janoka, Sutharsan, Gábor Hojtsy | Outi: Fixed Translations not downloaded when adding a new language.

Issue #1842362 by vijaycs85, Sutharsan, Berdir, ocsilalala, skipyT: Replace locale_project table and improve caching.

Issue #1533250 by YesCT, fran seva, TravisCarden, xjm, sriharsha.uppuluri | NROTC_Webmaster: Many coding standards clean-ups in locale module.

This reverts commit ae8be3cc.

Issue #2045927 by herom, martin107, ianthomas_uk, Xano, michaellander, Sutharsan: Replace all drupal_alter() deprecated function calls.

Issue #2143093 by vijaycs85, Gábor Hojtsy | ti2m: Remove translation update for uninstalled modules and themes.

Issue #1998056 by Sutharsan, clemens.tolboom, penyaskito: Automatically update interface translations using cron.

Issue #2021749 by Sutharsan: Fixed Core should not force latest version number translations on sites.

Issue #2011102 by kgoel, DmitryDrozdik: Replace drupal_container() with Drupal::service() in the locale module.

Issue #1827448 by RobLoach, sun, jbrown, tstoeckler: Use __DIR__ instead of DRUPAL_ROOT where possible/sensible.

Issue #1804688 by Sutharsan, YesCT, clemens.tolboom, Gábor Hojtsy, webflo, Jose Reyero: Download and import interface translations.

Issue #1742894 by Sutharsan, webflo, attiks, Gábor Hojtsy: Added Get status of local and remote translation files.

Issue #1627006 follow-up by YesCT, webflo, Gábor Hojtsy: CMI conversion and minor followups to 'Collect project information for translation update'.

Issue #1627006 by Sutharsan, Berdir, lazysoundsystem, andypost, webflo, jepSter, MantasK, Gábor Hojtsy: Collect project information for translation update.