Issue #2228217 by pwolanin, ecrown, neclimdul, Fabianx, dawehner, klausi: Further optimize RouteProvider and add web test for large number of path parts

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 #356399 by dawehner, beejeebus, catch, sidharrell, klausi, nlisgo, Josh Waihi, Berdir, martin107: Optimize the route rebuilding process to rebuild on write

Issue #2431053 by zealfire, epari.siva, dawehner: RouteProviderTest::testRouteByName should be public

Issue #2050759 by tim.plunkett, fietserwin: Move drupal_chmod and other code in file.inc to a Drupal\Core\File\FileSystem class

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

Issue #2224777 by pwolanin, dawehner: Unlimited allowed length of path in menu router allows DoS attack on Drupal 8.

Issue #2164367 by alexpott, tim.plunkett, dawehner: Rebuild router as few times as possible per request.

Issue #2080339 by mrsinguyen: Remove Unused local variable $routes from /core/modules/system/lib/Drupal/system/Tests/Routing/RouteProviderTest.php.

Issue #2051097 by dawehner, Manuel Garcia, tlattimore, neclimdul: Change 'pattern' to 'path' in *.routing.yml files.

Issue #2052389 by pwolanin: Fixed All elements added to the Request attributes should have a _ prepended unless they come from the path.

Issue #1915752 by dawehner, tim.plunkett: routes are not found when 0 is used as a placeholder value.

Issue #1906358 by dawehner: Fixed RouteProvider::getRouteByName() / RouteProvider::getRouteByNames() aren't working due to multiple reasons.

Larry Garfield authored Sep 12, 2012 and Alex Bronstein committed Oct 01, 2012

In order to make default placeholders work, we had to modify the fit and path outline
routines to ignore them.  That also necessitated switching back to the original
outline/ancestors logic from Drupal 7, which with a very slight tweak to the masks
and '/'-prefix on paths still works just as it should.