Issue #1826602 by damiankloip, xjm, sun, dawehner, EclipseGc: Allow all configuration entities to be enabled/disabled.

Issue #1901934 by damiankloip, dawehner, chx: Fixed Configuration entity query doesn't filter properly for NULL values.

Issue #1846648 by yched, swentel: Rename field_attach_submit(), because it is also called from within validation.

Issue #1893818 by Berdir, tim.plunkett: Fixed Plugin discovery caches of blocks are not cleared for all languages.

Issue #1889752 by alexpott: Fixed Remove unnecessary manifest creation in config_install_default_config().

Issue #1893818 by Berdir: Fixed Plugin discovery caches of blocks are not cleared for all languages.

Issue #1760934 by tim.plunkett: Fixed WebTestBase::setUp() attempts to enable modules multiple times.

Issue #1866978 by sun: Leverage new #input facility of #type 'item' for author name in comment form.

Issue #1899994 by katbailey, plach, YesCT: Disentangle language initialization from path resolution.

Issue #293318 by alex_b, Berdir, rootatwc, Aron Novak, mustafau, akahn: Convert Aggregator feeds into entities.

Issue #1845546 by fago, EclipseGc, attiks, effulgentsia: Implement validation for the TypedData API.

Issue #1847198 by benjifisher, jessebeach, effulgentsia: Update the structure returned by hook_toolbar().

Issue #849926 by jessebeach, Jacine, mgifford, casey, Mirabuck: Fixed links wrapped in .contextual-links-wrapper divs are not accessible at all via keyboard alone also problems with screen readers.

Issue #663946 by David_Rothstein, Gábor Hojtsy, sun, mrfelton, jenlampton, idflood: Merge 'List links' page into 'Edit menu' page.

Issue #1801304 by Amitaibu, amateescu, effulgentsia, tim.plunkett, EclipseGc, Fabianx, Cottser: Added Entity reference field.

Issue #1899460 by chrisjlee, richard.c.allen2386: Replace duplicate defgroup tags with addtogroup in documentation blocks

Issue #1866610 by Jose Reyero, Gábor Hojtsy, effulgentsia, alexpott, aspilicious, YesCT, fago, sun, dawehner, heyrocker, yched, spearhead93: Introduce Kwalify-inspired schema format for configuration.

Issue #1890748 by mark.lindsey, hefox, pwolanin, David_Rothstein, klausi: Fixed Printer Friendly Version of Book Does Not Take Into Account Node Access.

Issue #1851706 by yched, effulgentsia, tim.plunkett: Fixed Make all core plugin managers be consistent as to whether  or ->discovery is passed to the factory.

Issue #1825592 follow-up by sun, alexpott: Clean-ups to --repeat and --die-on-fail capabilities in run-tests.sh.

Issue #1893090 by sergiu.savva, swentel: Fixed Titles in block library are in seemingly random order.

Issue #1807776 follow-up by plach: Minor fixes for Support both simple and editorial workflows for translating entities.

Issue #1807776 by plach, Berdir, YesCT, Gábor Hojtsy, bforchhammer, Bojhan, webchick: Support both simple and editorial workflows for translating entities.

Issue #1879256 by tim.plunkett, dawehner: Refactor viewSpecialBlocks architecture once blocks are plugins.