Issue #2443485 by Berdir, dawehner: Remove extension:views cache tag and other views related cache improvements

Issue #2434745 by geertvd: Boolean field: On/Off labels are in the "storage" settings but shouldn't be

Issue #2407765 by Wim Leers, borisson_: Wherever simple config is used to render output to end user, associate their cache tags

Issue #2443409 by Berdir: Add a way to entity manager to get fresh entity and field definitions without invalidating all caches

Issue #2435075 by dawehner: Implement admin role as a flag on the role storage, simplify permissions page, remove user_modules_installed

Issue #2378815 by damiankloip, dawehner: DisplayPluginBase::elementPreRender() and View::preRenderViewElement() are called even when the Views output cache is being used, causing notice

Issue #2430813 by geertvd: Selecting the 'views' selection handler on an entity_reference field causes a fatal error

Issue #2341455 by swentel, cosmicdreams: Creating a new view mode should clear cache, so the new view mode can be displayed

Issue #2430981 by Cottser: Unnecessary notices when twig_render_template() catches \Twig_Error_Loader exceptions

Issue #2017471 by rodrigoaguilera, balagan, clemens.tolboom, Kristen Pol, Outi, rpayanm, danylevskyi, mon_franco, Antti J. Salminen, aloyr, thlafon, Marc Hannaford, kreatIL, oussema, David Hernández: Multilingual tour for language section

Issue #2431477 by martin107: make TermUnitTest a KernelTestBase by moving createTerm and createVocabulary to a trait

Issue #2382561 by Sabreena, DickJohnson, aliyakhan, Tom Verhaeghe, emma.maria: In narrow viewports (<320px), the toolbar menu tray should be 100% width

Issue #2407725 by mortendk, sivaji@knackforge.com, rteijeiro, Manjit.Singh: Remove classes from system templates d*.html.twig

Issue #2369981 by Cottser: Not found templates are displayed literally instead of throwing an Exception due to string loader

Issue #2428087 by jhodgdon, foxtrotcharlie: Boolean field formatter - default choice appears in list twice

Issue #2227227 by mpdonadio, amateescu, yched, larowlan, swentel, tstoeckler, fago: FieldTypePluginManager cannot instantiate FieldType plugins, good thing TypedDataManager can instantiate just about anything

Issue #2395901 by chx, dawehner, tstoeckler: Allow the same test-specific overrides in KernelTestBase as in WebTestBase

Issue #2206485 by pjonckiere, sandipmkhairnar: StylePluginBase::getFieldValue shouldn't be protected

Issue #1600670 by mradcliffe, bendiy, bzrudi71, andypost, daffie, stefan.r, devpreview: Cannot query Postgres database that has column names with capital letters