Issue #3405800 by alexpott, phenaproxima, Wim Leers, bircher, larowlan: Config collections do not trigger configuration events consistently

Issue #2852557 by bircher, alexpott, longwave, nedjo, dww: Config export key order is not predictable, use config schema to order keys for maps

Issue #2869809 by dawehner, effulgentsia, tim.plunkett, tstoeckler: Make it easy to get typed config representations of entities

Issue #2361539 by alexpott, webflo, AjitS, himanshu-dixit, tameeshb, xjm: Config export key order is not predictable for sequences, add orderby property to config schema

Issue #2776975 by joelpittet, dawehner, tim.plunkett, xjm, pfrenssen: March 3, 2017: Convert core to array syntax coding standards for Drupal 8.3.x RC phase

Issue #2707641 by alexpott, anoopjohn: Ensure core compliance to Drupal.Commenting.FunctionComment.ParamCommentIndentation (part 2)

Issue #2665992 by alexpott, klausi, heykarthikwithu, xjm, tstoeckler: @file is not required for classes, interfaces and traits

Issue #2562155 by stefan.r, joelpittet, alexpott: Cast TranslationWrapper objects in config to string during Config::set()/setData()

This reverts commit 434fd08b.

This reverts commit b5b92b5c.

Issue #2432791 by alexpott, vijaycs85, tim.plunkett, joshtaylor, Fabianx, Berdir, yched, bojanz: Skip Config::save schema validation of config data for trusted data.

Issue #2459971 by Gábor Hojtsy: The langcode key on configuration files is not explicit in configuration schema

Issue #2457887 by prateekMehta, stefan.r, rpayanm, alexpott: Use Utility\SafeMarkup class instead of Utility\String for placeholder(), checkPlain(),format() functions

Issue #2212069 by Gábor Hojtsy, pjonckiere, rteijeiro, cilefen: Non-English Drupal sites get default configuration in English, edited in English, originals not actually used if translated

Issue #2040135 by Wim Leers, Berdir: Caches dependent on simple config are only invalidated on form submissions

Issue #2380607 by Berdir, dawehner: Do not call ConfigBase::validateKeys() for data loaded from storage

Issue #2293063 by Gábor Hojtsy: Fixed Config schema mapping parsing is inconsistently forgiving, does not conform to the interface.

Issue #2244447 by alexpott, sun, Berdir: Translation of low-level info/annotations leads to circular dependencies.

Issue #2271967 by Jose Reyero, alexpott, amitgoyal: Fixed and use TypedConfigManagerInterface/TypedConfigManager.

Issue #2264179 by Gábor Hojtsy, vijaycs85, alexpott, benjy: Clarify use of property/undefined and add an ignore type in configuration schema.

Issue #2161591 by pwolanin, beejeebus, sun: Change default active config from file storage to DB storage.

Issue #2216961 by Gábor Hojtsy, xjm | alexpott: Document Config, ConfigBase, and StorableConfigBase.

Issue #2215413 by Eli-T, alexpott: Split the Config class into StorableConfigBase and ConfigBase. Make ThemeSettings inherit from ConfigBase.