Issue #2942907 by plach, amateescu, Berdir, tim.plunkett, hchonov, gabesullice, jibran, xjm, tedbow, timmillwood, larowlan, Sam152, pmelab, catch, effulgentsia: Entity system does not provide an API for retrieving an entity variant that is safe for editing

Issue #2624770 by 20th, Jo Fitzgerald, claudiu.cristea, Berdir, mohit1604, amateescu, Sutharsan, derheap, Saviktor, Mile23, dawehner, kristiaanvandeneynde, alexpott: Use more specific entity.manager services in core.services.yml

Issue #2602268 by Berdir: Translated string are loaded into Views UI and then saved as default language strings

Issue #2421263 by alexpott, formatC'vt, kim.pepper, andypost, larowlan, chx: Potential data loss: concurrent (i.e. by different users) node edits leak through preview

Issue #2057869 by dawehner, jibran: Provide an alias for 'plugin.manager.entity' called 'entity.manager'.

Issue #1943846 by fubhy, effulgentsia, tim.plunkett: Improve ParamConverterManager and developer experience for ParamConverters.

Issue #1820414 by damiankloip, tim.plunkett, xjm: Move views_ui().module directly into /core/modules/.