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 #2572801 by alexpott, vprocessor, andriyun, andypost, chishah92, Mile23, attiks, hussainweb, klausi, dawehner, pfrenssen: Fix 'Drupal.WhiteSpace.ScopeIndent' coding standard

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

Issue #1494670 by Liam Morland, jhedstrom, Wim Leers, mfb: References to CSS, JS, and similar files should be root-relative URLs: avoids mixed content warnings & fewer bytes to send

Issue #2529560 by John Cook, dawehner, Xano, lauriii, tim.plunkett, Wim Leers, nlisgo, Crell, plach, Fabianx: Expand support for link objects

Issue #2506151 by joelpittet, Cottser, lauriii, Lukas von Blarer, tim.plunkett: Make the Twig extension link() accept Attribute objects

Issue #2342745 by Cottser, chr.fritsch, epari.siva, lauriii, wesruv, joelpittet, dawehner: Allow Twig link function to pass in HTML attributes

Issue #2335661 by Wim Leers, pwolanin, dawehner, Fabianx, larowlan, catch, Berdir: Outbound path & route processors must specify cacheability metadata

Issue #2398331 by cilefen, davidhernandez, Wim Leers, nod_: Add the ability to attach asset libraries directly from a template file

Issue #2308187 by lauriii, iMiksu, joelpittet, dawehner, er.pushpinderrana: Provide a twig extension for file_create_url

Issue #2395395 by alexpott, effulgentsia, Gábor Hojtsy: TestBase lacks a config method to be used consistently in tests

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

Issue #1777332 by hass, Cottser, mike.roberts, joelpittet, dawehner | jenlampton: Replace theme_menu_link() and menu-tree.html.twig with a single Twig template.

Issue #2073811 by dawehner, pwolanin, joelpittet, Cottser, Mark Carver, steveoliver: Add a url generator twig extension.

Issue #697760 by sun: Replace getInfo() in tests with native phpDoc + annotations (following PHPUnit).

Issue #1806478 by Cottser, joelpittet, kevinquillen: Make twig the default engine once all modules templates are converted from .tpl.php to .html.twig.

Issue #1898458 by widukind, Cottser, c4rl: [READY] theme_test().module - Convert PHPTemplate templates to Twig.

Issue #1975462 by thedavidmeister, alexpott, chx, joelpittet: Fixed Allow and test for NULL and integer 0 values in Twig templates.

Issue #1829224 by alexpott, pfrenssen, vijaycs85, lirantal: Convert the 'theme_default()' variable to CMI.

Issue #1696786 by Fabianx, jenlampton, stevector, steveoliver, jwilson3, amateescu, chx: Integrate Twig into core: Implementation issue.