Issue #2089331 by grom358 | thedavidmeister: [meta] Replace calls to check_plain() with Drupal\Component\Utility\String::checkPlain().

Issue #2183113 by jhodgdon, effulgentsia, tim.plunkett, herom, larowlan: Update hook_help signature to use route_name instead of path.

Issue #2147689 by Xano: [regression] Support route parameters for *info.yml files' configure route name.

Issue #2227687 by cs_shadow, Cottser: Slightly ugly error message if a module is incompatible with the version of core and the PHP version.

Issue #2210197 by sun, longwave, Sutharsan: Remove public access to Extension::$type, ::$name, ::$filename.

Issue #2203407 by nod_, sun: Replace #attached library array values with provider-namespaced strings.

Revert "Issue #2210197 by sun, longwave: Remove public access to Extension::$type, ::$name, ::$filename." Broke 'drush en simpletest' on testbots

This reverts commit 2c51074d.

Issue #2048223 by dawehner, ParisLiakos, herom, fubhy, damiankloip, vijaycs85, joelpittet, tim.plunkett: Add $account argument to AccessCheckInterface::access() method and use the current_user() service.

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

Issue #1199946 by alexpott, fubhy, bojanz, steinmb, chx, catch: Fixed Disabled modules are broken beyond repair so the 'disable' functionality needs to be removed.

Issue #2077513 by tim.plunkett, jibran, ParisLiakos, msonnabaum: Refactor ControllerBase to be more consistent with FormBase.

Issue #2043781 by pwolanin: Fixed Drupal::request()->attributes->get('account') may conflict with an account object loaded from the path.

Issue #2046301 by bowersox: Fixed CSS regression on admin/modules: overlapping 'Enabled' table header not properly invisible.