Issue #1806178 by tim.plunkett, beejeebus: Remove code duplication for hook_config_import_()*() implementations of config entities.
Issue #1858576 follow-up by David_Rothstein: Better name for the onceCheck variable.
Issue #1621784 by Bojhan, Jacine: Remove Jacine from Maintainers.txt.
Issue #1854506 by klausi, linclark: Add REST module to MAINTAINERS.txt.
Issue #1802566 by ao5357, mgifford: Add ARIA landmarks for Bartik theme.
Issue #1848684 by Liam Morland, mgifford: Add ARIA role to DETAILS.
Issue #1722882 by EclipseGc, aspilicious, tim.plunkett, fubhy, Berdir: Fixed Plugin CacheDecorator caches globally, ignores request context, and does not specify tags for cache items.
Issue #1871328 by sun, vijaycs85, YesCT: Fixed Modules in new Multilingual package are no longer tested by Module\EnableDisableTest.
Issue #1877292 by larowlan: Fixed Stray references to deprecated views_fetch_data() in doc blocks.
Issue #1877122 by Bojhan: Remove useless text 'Enable to create a label for this field'.
Issue #184010 by webchick, catch, bdone, Pasqualle, lilou, cafuego, Elvar: Add #anchors to modules administration page.
Issue #1874530 by Crell: Add Symfony CMF Routing component.
Issue #1535868 by EclipseGc, tim.plunkett, xjm, Jody Lynn, sdboyer, naxoc, tizzo, effulgentsia, dawehner, disasm, beejeebus: Convert all blocks into plugins.
Issue #1864360 by oadaeh: Fix docs standards for link in ajax.inc
Issue #1333400 by Albert Volkman, Chi: Add parameter docs for hook_install_tasks
Issue #1873608 by David_Rothstein: Clarify documentation on when to use t vs format_string
Issue #1862198 by plopesc: Make it clearer where to find placeholder docs for t
Issue #1879444 by fabpot: Fixed Removed an unneeded factory.
Issue #1874146 by fabpot: Fixed Moved Twig cache to its own directory.
Issue #1872634 by fabpot: Fixed Added some missing synthetic services that were missing.