Issue #2208429 by dawehner, almaudoh, alexpott, jibran, Xano, donquixote, amitgoyal, bircher, stefan.r, Mile23, alvar0hurtad0, Berdir, andypost, larowlan: Extension System, Part III: ExtensionList, ModuleExtensionList and ProfileExtensionList

Issue #2854529 by alexpott, xjm, klausi, Chi, Mixologic: Fix Drupal.Scope.MethodScope - all methods should have scopes

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

Issue #2700661 by anoopjohn: Ensure core compliance to Drupal.Commenting.FunctionComment.ParamCommentIndentation (part 1).

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

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

Issue #2488420 by amycham, martin_q, cilefen, YesCT: Remove a misleading comment from Updater::update()

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

Issue #2548511 by David_Rothstein: Write tests for the Update Manager downloading and applying updates for a module

Issue #1885564 by joelpittet, SebCorbin, Cottser, mpdonadio, David_Rothstein, drupalninja99, jenlampton, lauriii, rteijeiro, mbrett5062, akalata, Devin Carlson, trevorkjorlien, longwave, socketwench, shanethehat, aboros: theme.maintenance.inc (authorize.php) - Convert theme_ functions to Twig

Issue #2042447 by David_Rothstein, joelpittet, stefan.r, SebCorbin, mpdonadio, steinmb, webchick, Cottser, miniwebs2, Vj, Gilbert Rehling, nuwe, yched, StuartJNCC, Fabianx, yktdan, herom: Install a module user interface does not install modules (or themes)

Issue #2392559 by mondrake, mitrpaka, JeroenT, rpayanm, adci_contributor, ianthomas_uk: Remove all uses of file_stream_wrapper_get_* and file_get_stream_wrappers

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

Issue #2413695 by joelpittet: Modules getting installed in the theme directory if they don't have a *.module file

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

Issue #2409515 by joelpittet: Updater::findInfoFile() was never updated for .info -> .info.yml change.

Wrong commit message.

This reverts commit 96b7b02e.

Issue #2277103 by tim.plunkett, pwolanin, Wim Leers, dawehner, hotpizzas: Switch Drupal::l() and LinkGenerator to expect a Url object.

Issue #2343651 by xjm, tim.plunkett, Wim Leers, dinarcon, dawehner: Remove most remaining l() calls.

Issue #2300469 by penyaskito | dawehner: Fixed makeBackup() is called without a to parameter in Drupal\Core\Updater\Updater.

Issue #2057259 by alexpott, cweagans, swentel: Fixed Malformed modulename.info.yml file causes fatal error.

Issue #2100329 by cosmicdreams: Use \Drupal instead of Drupal to make IDEs and static code analyse tools happy.

Issue #1608842 by chx, alexpott, sun, effulgentsia, beejeebus, tim.plunkett et al: Replace list of bootstrap modules, enabled modules, enabled themes, and default theme with config.

- Patch #1506630 by Alan Evans, David_Rothstein: Fixed Namedspaced code throws and catches 'Exceptions' which don't exist (causing the DB settings form validation to break on install).

Issue #1323124 by amateescu, aspilicious, Berdir: Convert file transfer system to PSR-0. Commit ALL THE files.

This reverts commit 5abec889.