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

Issue #2290103 by damiankloip, larowlan: Rename 'item_length' to 'view_mode' to aid discoverability.

Issue #2293643 by joshi.rohit100: Fixed OpmlFeedAdd form still using url() instead of \Drupal::url().

Issue #2291505 by joshi.rohit100: Fixed ParserInterface class contains FetcherInterface documentation.

Issue #2290251 by er.pushpinderrana, amitgoyal, ParisLiakos, joshi.rohit100: Make Aggregator plugin developer info more discoverable

Issue #1209674 by yoroy, kid_icarus, franz, pasive, barnettech, disasm, wesleydv, ericmulder1980, Sutharsan, apratt, theMusician, batigolix, vegantriathlete, amitgoyal, AndyThornton: Fix up UI text in Aggregator module

Issue #2124957 by Wim Leers, catch: Replace 'content' cache tag with 'rendered' and use it sparingly.

Issue #2275877 by Mixologic, duellj, Les Lim, Xano, David Strauss: Replace master/slave terminology with primary/replica.

Issue #2283969 by tim.plunkett: Add a protected BlockBase::blockAccess() to contain plugin-specific logic.

Issue #2246665 by jaredsmith, martin107, YesCT, filijonka, tstoeckler: Typehint with Drupal\Core\Language\LanguageInterface instead Drupal\Core\Language\Language.

Issue #2274175 by tim.plunkett, vijaycs85: Block plugin schema should be defined separately from the entity.

Issue #2183231 by tstoeckler, plach, jessebeach, fago, Berdir, xjm, mauzeh: Make ContentEntityDatabaseStorage generate static database schemas for content entities.

Issue #788900 by ParisLiakos, dawehner, effulgentsia, xjm, et al: Deprecate and remove usages of arg().

Issue #2226871 by tim.plunkett: ConfirmFormInterface::getCancelRoute() should always return Drupal\Core\Url.

Issue #2190313 by pfrenssen, Berdir, amateescu, ianthomas_uk: Add $EntityType::load() and loadMultiple() to simplify loading entities.

Issue #2253977 by martin107, Mixologic: Use ConfigFactoryInterface to type hint ConfigFactory, Part II.

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

Issue #2079797 by ParisLiakos, Xano, amateescu, tim.plunkett: Provide a trait for $this->t() and $this->formatPlural().

Issue #2239065 by tim.plunkett | webchick: Overridden config bleeding through to configuration forms.

Issue #2248151 by tim.plunkett, xjm, alexpott: Configurable plugins can not control instance-specific config dependencies.

Issue #2233787 by alexpott, xjm | tim.plunkett: Move default configuration into extension/config/install to clarify its purpose.