Issue #1969698 by xjm, damiankloip, tim.plunkett, yched: ConfigEntity::save() should disallow saving ID/UUID conflicts (Field UUID changes can badly corrupt field data).

Issue #2013939 by swentel, amateescu, pcambra: Remove hook_field_CRUD_() in favor of hook_entity_TYPE_CRUD() calls.

Issue #1797252 by pwieck, andypost, dcam, xjm, Lars Toomre: Remove t() from assertion messages in file module tests.

Revert "Issue #1987124 by tim.plunkett, h3rj4n, dawehner: Convert filter_admin_format_page() and filter_admin_overview() to a Controller."

This reverts commit af5478b8.

Issue #1987124 by tim.plunkett, h3rj4n, dawehner: Convert filter_admin_format_page() and filter_admin_overview() to a Controller.

Issue #1969728 by yched, effulgentsia, swentel, fago, plach: Implement Field API 'field types' as TypedData Plugins.

Issue #1869600 by linclark, scor, jesse.d: Refactor RDF mappings to be inline with the new Entity Field API.

Issue #1945226 by YesCT, tstoeckler, kfritsche, babruix, IshaDakota, helenkim: Add language selector on menus.

Issue #1872876 by chx, fubhy, dawehner, alexpott, tim.plunkett: Turn role permission assignments into configuration.

Issue #1853526 by dawehner, damiankloip, jibran, xjm: Reintroduce Views integration for contact.module.

Revert "Issue #2012812 by thedavidmeister, pwieck: drupal_render() can't distinguish between empty strings from theme() from an implemented hook and no hook being matched."

This reverts commit 431dc2e3.

Issue #2012812 by thedavidmeister, pwieck: drupal_render() can't distinguish between empty strings from theme() from an implemented hook and no hook being matched.

Issue #2022087 followup by damiankloip: Add module owner to plugin definition in AnnotatedClassDiscovery.

Issue #1828536 by sun, thedavidmeister, benjf, derek.deraps, jenlampton, dcam, pwieck: Rename 'type' variable of theme_item_list() to 'list_type'.

Issue #1962234 by dawehner, damiankloip, alexpott: Move views_fetch_fields() into an autoloadable class.

Issue #2015999 followup by effulgentsia: Fields cannot be used as the row style on style plugins that support it.

Issue #1981314 by pcambra, aspilicious, andypost, swentel: Drop procedural usage of fields in field module.

Issue #1987822 by vijaycs85, jrglasgow, tim.plunkett: Convert system_date_time_lookup() to a new style controller.

Issue #2020361 by vijaycs85: Followup for: Create LanguageConfigContext to activate configuration overrides based on language.

Issue #1858616 by Berdir: Extract generic CacheCollector implementation and interface from CacheArray.

Issue #1984610 by Albert Volkman, dawehner, tim.plunkett: Convert user_pass() to a new-style Form object.