Issue #1849752 by effulgentsia, Berdir, jibran, neclimdul: Abstract non-Drupal-specific parts of AnnotatedClassDiscovery into a Drupal\Component base class.
Issue #1793074 by cweagans, sun, chx: Convert .info files to YAML.
Issue #1901670 by msonnabaum, kim.pepper, effulgentsia: Start using PHPUnit for unit tests.
Issue #1912308 by vijaycs85, sandipmkhairnar, mr.york: Create configuration schemas for breakpoint module.
Issue #1942110 by sidharthap | vijaycs85: Fixed Make breakpoint active config save format match the default yml file.
Issue #1967294 by tim.plunkett: Add a dedicated @EntityType annotation.
Issue #1807042 by tim.plunkett, effulgentsia: Rename entity storage/list/form/render controllers to handlers, part 1: organize existing annotation keys.
Issue #1391694 by tim.plunkett, aspilicious, fago, pounard, plach, Crell, msonnabaum, tstoeckler: Use type-hinting for entity-parameters.
Issue #1292284 by ParisLiakos, RobLoach, karschsp: Require 'type' key in .info.yml files.
Issue #2006258 by TravisCarden: Fixed more file permissions.
Issue #1957154 by joates, ayelet_Cr, xjm | Berdir: Replace calls to drupal_container()->get('module_handler()') service with Drupal::moduleHandler().
Issue #2024833 by claudiu.cristea: Adopt load() and loadMultiple() on entity storage controllers.