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 #2822190 by webflo, Wim Leers, dawehner, alexpott, effulgentsia, SchnWalter: PathValidator validates based on a RequestContext leaked from the current request, resulting in false negatives during CLI requests and POST submissions

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

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

Issue #2716685 by Mile23: Part 2: Fix several errors in the 'Drupal.Commenting.DocComment' coding standard

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

Issue #2672442 by rakesh.gectcr, dimaro, aditya_anurag, jhodgdon: In the documentation, change all instances of "an URL" to "a URL"

Issue #2664466 by dawehner, alexpott, kostyashupenko: url_alias table is only used by a core service but it depends on system install

Issue #2619700 by tim.plunkett: \Drupal\Core\Path\PathValidator::getPathAttributes() does not catch MethodNotAllowedException

(cherry picked from commit 438713de)

Issue #2584243 by stefan.r, pwolanin, dawehner, kgoel: Make Drupal handle  path aliases in a consistent and case-insensitive fashion on all database drivers

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

Issue #2509300 by dawehner, catch, larowlan: Path alias UI allows node/1 and /node/1 as system path then fatals

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

Issue #2480811 by catch, dawehner, Crell, Berdir, amateescu: Cache incoming path processing and route matching

Issue #2459155 by alexpott, pfrenssen, hussainweb, neclimdul: Remove REQUEST_TIME from bootstrap.php

Issue #1897058 by disasm, rteijeiro: Replace "boolean" with "bool" when used as param/return/var type

Issue #2417647 by Wim Leers, effulgentsia: Add leading slash to paths within 'user-path:' URIs, to allow 'user-path:' URIs to point to the <none> route

Issue #2358079 by pwolanin, Berdir: Require a specific placeholder format in db_query() in order to trigger argument expansion, and require explicit 'IN' parameter for conditions

Issue #2364157 by mpdonadio, dawehner, martin107, Berdir, pcambra, naveenvalecha, tim.plunkett: Replace most existing _url calls with Url objects

Issue #2362227 by dawehner, mpdonadio, znerol, tim.plunkett, skipyT: Replace all instances of current_path()

Issue #2354275 by slashrsm: There are functions in AliasStorage that are not in AliasStorageInterface

Issue #2340667 by YesCT, Pedro Lozano, alexpott, martin107: Protect Drupal\Core\Language\Language::id, and use getId().

Issue #1160764 by Désiré, Dave Reid, SebCorbin, agentrickard: Fixed URL alias load is inconsistent if there are more then one aliases.

Issue #2343661 by larowlan, tim.plunkett | xjm: Rename l() to _l() and url() to _url(), and document replacements.

Issue #2343759 by pwolanin, larowlan, dawehner, tim.plunkett, effulgentsia, xjm, Wim Leers: Provide an API function to replace url()/l() for external urls.

Issue #1854284 by Berdir, mikeryan | Dave Reid: Fixed Path aliases are no longer arrays and cannot pass additional data to path hooks.

Issue #2212427 by Mixologic, YesCT, Sutharsan, mgriego, icseh., visabhishek, znerol: Use interface instead of class name for language manager where appropriate.

Issue #2322809 by chx, dawehner, tim.plunkett: Tighten routing security by access checking in matchRequest.