Issue #2422363 by mortendk, joelpittet, davidhernandez: Rewrite the menu CSS components inline with our CSS standards

Issue #2298687 by tstoeckler, Jose Reyero, hussainweb, rpayanm: Sequence and Mapping implement interfaces incorrectly, make them honest about what they support

Revert "Issue #2298687 by tstoeckler, Jose Reyero, hussainweb, rpayanm: Sequence and Mapping implement interfaces incorrectly, make them honest about what they support"

This reverts commit 43370336.

Issue #2298687 by tstoeckler, Jose Reyero, hussainweb, rpayanm: Sequence and Mapping implement interfaces incorrectly, make them honest about what they support

Issue #2423929 by effulgentsia, xjm: Convert views.module usage of base:$path to user-path:/$path when $path is from user input

Issue #2350933 by rodrigoaguilera, alexpott, Gábor Hojtsy, YesCT: Languages don't get weights by default, reordered when displayed translated

Issue #2388867 by alexpott, xjm, jhodgdon: Notifying user of config changes when config has never been synched makes no sense

Issue #2383165 by sidharrell, alexpott: ResponsiveImageStyle config entities should depend on the image styles they use

Issue #2408227 by geertvd, gloob, amitsedaiz: When creating a float field, max and min value settings are forced to be integer

Issue #2414279 by Gábor Hojtsy, likin, askibinski: Interface translations directory: Can not set values on immutable configuration

Issue #2417339 by amateescu, shashikant_chauhan: Fix @return documentation for EntityManagerInterface::loadEntityByConfigTarget()

Issue #2385209 by tadityar, cilefen, ardnet, hussainweb, AjitS, tibbsa: Clean-up views module test members - ensure property definition and use of camelCase naming convention

Issue #2424697 by jedihe, dalguete, yched: ResponsiveImageFormatter throws an exception on node preview

Revert "Issue #2424697 by jedihe, yched: ResponsiveImageFormatter throws an exception on node preview"

This reverts commit a0d5bc00.

Issue #2428377 by sun, daffie, amateescu: SQLite Schema class is missing use Drupal\Component\Utility\Unicode

This reverts commit d1a9a099.

Issue #2425691 by pjbaert, kepford, drupalninja99: Remove .leaf/.menu-item--leaf from menu CSS components

Issue #2426031 by almaudoh, cpj: Remove deprecated uses of SessionManager::isEnabled(), SessionManager::enable() and SessionManager::disable()

Issue #1946090 by pjonckiere, alex-mo, rpayanm: _drupal_wrap_mail_line() does not force-wrap too long words after 996 characters

Issue #2423241 by Mile23: Merge ConfigurablePluginCollectionTest into DefaultLazyPluginCollectionTest