Issue #1067408 by alexpott, Jalandhar, jessebeach, Désiré, neetu morwani, dawehner, sun: Themes do not have an installation status.

Issue #2245117 by znerol: Remove the optional $skip_anonymous parameter from CsrfTokenGenerator::validate and remove the dependency on current_user service.

Issue #2182055 by dawehner, andypost, juampy, linclark: Comment module causes Circular reference error on a REST request.

Issue #2216071 by dawehner, damiankloip, Gaelan: Views plugins need a way to store additional dependencies.

Issue #2208015 by tim.plunkett: Remove "convert to trait" comments about EntityWithPluginBagInterface.

Issue #2208609 by sun, Jalandhar, damiankloip: Move Json utility class into Drupal\Component\Serialization.

Issue #214760 follow-up by sun,  lokapujya: Revised tests for theme name in block admin shows HTML entities: excessive check_plain().

Issue #2231419 by sun, jibran, Rajendar Reddy, Jalandhar, damiankloip: Merge obsolete CachedModuleHandler into ModuleHandler.

Issue #2236207 by znerol: Use router request context instead of request service in system breadcrumb builder.

Issue #2199845 by kay_v | scor: Merge all assertFormatterRdfa() unit test calls into one single unit test.

Issue #2239181 by sun, znerol: SessionManager::isStarted() returns TRUE even after session_write_close() has been called.

Issue #1425622 by visabhishek, dealancer: Increase length of 'type' field in search_dataset, search_index tables from 16 to 64.

Issue #2234611 by visabhishek, cs_shadow, joachim: Fix up docs for WebTestBase::drupalCreateRole method

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