Issue #2084401 by Tharna: Fixed Themes can't contain numbers in name.
Issue #2102539 by andypost: Fixed Current user service should be updated in drupalLogin() and drupalLogout().
Issue #1387964 by yoroy, themic8, realityloop, galooph: Fixed People miss the first section of the help overview page.
Issue #2086201 by tim.plunkett, pwolanin: Fixed Use PluginFormInterface instead of one-off form methods for search plugins.
Issue #2084081 by amateescu: Fixed ER autocomplete doesn't work.
Issue #1872598 by LewisNyman, rachel_norfolk, echoz, djbobbydrake: Fixed Bartik color settings not responsive.
Issue #2100189 by fgm: Fixed users_roles() schema declares foreign key to nonexistent role table.
Issue #2025883 by iamEAP, Mile23, msonnabaum, Berdir: Fixed Drupal's PHPUnit bootstrap.php does not register module namespaces out of /core.
Issue #2100583 by BarisW: Fixed Edit tab on term listing page shows term name instead of 'Edit'.
Issue #1587270 by klausi: Added comment in .htaccess describing how to forbid execution of PHP files in subfolders.
Issue #2100329 by cosmicdreams: Use \Drupal instead of Drupal to make IDEs and static code analyse tools happy.
Issue #1798732 by sun, Dean Reilly, mbrett5062, chx, westie, alexpott, juanolalla, Mark Carver, catch, jthorson, cam8001, Berdir: Convert install_task(), install_time() and install_current_batch() to use the state system.
Issue #2098697 by tstoeckler, sxnc, Gábor Hojtsy: Provide a LocaleConfigManager::hasTranslation().
Issue #2080401 by Bladedu, mrsinguyen, lokapujya, pfrenssen: Remove Unused local variable  from /core/modules/simpletest/lib/Drupal/simpletest/Tests/SimpleTestTest.php.
Issue #2096595 by neclimdul, damiankloip, tim.plunkett, Mile23, ParisLiakos: Make all PHPUnit tests pass with --strict.
Issue #2099671 by salvis: Fixed Windows 7 and MTimeProtectedFileStorage has problems.
Issue #1788610 by chertzog, fjd, brainbender: Hook_update_N has unreachable UpdateException.
Issue #2049207 by dlu, blakehall, janstoeckler, ramlev, Moderate | Cottser: Replace .tpl.php with .html.twig in documentation.
Issue #2095613 by juanolalla, g.oechsler, grisendo | YesCT: Convert all plugin IDs in local_tasks().yml to 'module_name().foo_bar()' naming convention to match routing convention.
Issue #2091691 by tim.plunkett: Convert test non-form page callbacks to routes and controllers.