Issue #2802403 by _Archy_, Berdir, rjay, catch, Tachion, jacktonkin, oriol_e9g, willwh, tameeshb, dawehner, dhansen, bmcclure, DeFr, david.gil, gagarine, plach: Combination of language negotiation and path aliasing can cause a corrupted route cache, 404s

Issue #2926412 by Wim Leers: Follow-up for #2883680: deprecation message indicates the wrong deprecation introduction version

Issue #2858482 by Wim Leers, dawehner, benjy, larowlan, tedbow, borisson_: Simplify REST routing: disallow requesting POST/PATCH in any format, make consistent

Issue #2934152 by Wim Leers, neclimdul: ContentTypeHeaderMatcher should not run for GET, HEAD, OPTIONS or TRACE requests

Issue #2930715 by alexpott, dawehner: Recursive rebuild caused by installing admin_toolbar_tools module

Revert "Issue #2850973 by alexpott, kferencz91, jonathan1055, dawehner: ConfigEntityInterface::onDependencyRemoval() called with incorrect dependency list"

This reverts commit f9cde09b.

Issue #2850973 by alexpott, kferencz91, jonathan1055, dawehner: ConfigEntityInterface::onDependencyRemoval() called with incorrect dependency list

Issue #2901562 by mfernea, Jo Fitzgerald, Yogesh Pawar, 3ssom, Mile23, borisson_: Fix 'Squiz.WhiteSpace.SuperfluousWhitespace' coding standard

Issue #2883680 by dawehner, Wim Leers, tim.plunkett, larowlan: Force all route filters and route enhancers to be non-lazy

Issue #2901572 by Jo Fitzgerald, bluccas, mfernea, klausi: Fix 'Drupal.Commenting.PostStatementComment' coding standard

Issue #2909368 by mfernea, reflie, zaporylie: Fix 'Drupal.Commenting.VariableComment.InlineVariableName' coding standard

Issue #2901726 by mfernea, gmario, finn.lewis, robertoperuzzo, rachel_norfolk: Fix 'Squiz.Functions.MultiLineFunctionDeclaration' coding standard

Issue #2572791 by Mile23, andriyun, attiks, RoSk0: Fix 'Drupal.WhiteSpace.OpenBracketSpacing' coding standard

Issue #2901739 by andriyun, Jo Fitzgerald, mfernea, xjm: Fix 'Squiz.Arrays.ArrayDeclaration' coding standard

Issue #2902723 by mfernea, ccjjmartin: Fix 'Drupal.Commenting.FunctionComment.ReturnCommentIndentation' coding standard

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 #2075889 by pwolanin, kgoel, alexpott, catch, mpdonadio, YesCT, himanshu-dixit, dawehner, xjm, johnshortess, Crell, jhodgdon, Wim Leers, mradcliffe, attiks, tstoeckler, webchick: Make Drupal handle incoming paths in a case-insensitive fashion for routing

Revert "Issue #2075889 by pwolanin, kgoel, catch, mpdonadio, YesCT, dawehner, alexpott, johnshortess, Crell, Wim Leers, jhodgdon, mradcliffe, xjm, attiks, tstoeckler, webchick: Make Drupal handle incoming paths in a case-insensitive fashion for routing"

This reverts commit 77a2431e.

Issue #2854560 by Wim Leers, boaloysius, dawehner: \Drupal\Core\Routing\RequestFormatRouteFilter::filter() is too HTML-centric

Issue #2075889 by pwolanin, kgoel, catch, mpdonadio, YesCT, dawehner, alexpott, johnshortess, Crell, Wim Leers, jhodgdon, mradcliffe, xjm, attiks, tstoeckler, webchick: Make Drupal handle incoming paths in a case-insensitive fashion for routing

Issue #2810303 by dawehner, Crell, tim.plunkett, klausi, Wim Leers: Reunite the router: One router to rule them all

Revert "Issue #2810303 by dawehner, Crell, klausi, tim.plunkett, Wim Leers: Reunite the router: One router to rule them all"

This reverts commit 21a86f3a.

Issue #2810303 by dawehner, Crell, klausi, tim.plunkett, Wim Leers: Reunite the router: One router to rule them all

Issue #2809789 by pwolanin, dawehner: UrlGenerator fails to urlencode aliases, incorrectly encodes "system" path

Issue #2811133 by cilefen, Wim Leers, neclimdul, dawehner: Confusing error response set by ContentTypeHeaderMatcher when forgetting the Content-Type request header

Revert "Issue #2811133 by Wim Leers, neclimdul, dawehner: Confusing error response set by ContentTypeHeaderMatcher when forgetting the Content-Type request header"

This reverts commit 97f0d43d.

Issue #2811133 by Wim Leers, neclimdul, dawehner: Confusing error response set by ContentTypeHeaderMatcher when forgetting the Content-Type request header

Issue #2801899 by shashikant_chauhan, daffie, axel.rutz: Rename Drupal\Core\Database\Connection::rollback() to Drupal\Core\Database\Connection::rollBack()

Issue #1920902 by neclimdul, larowlan, alexpott, chx, sun, jthorson, damiankloip, Berdir, Mixologic, YesCT, hussainweb, rcaracaus, cweagans, catch, jibran, msonnabaum, dawehner, webchick, anavarre, heyrocker: Add a Drupal Yaml wrapper so we can default to PECL Yaml component if it is available

Issue #2681911 by garphy, Wim Leers, gabesullice: REST requests without X-CSRF-Token header: unhelpful response significantly hinders DX, should receive a 401 response

Issue #2659070 by Wim Leers, dawehner, tic2000, Crell: REST requests without Content-Type header: unhelpful response significantly hinders DX, should receive a 415 response