Issue #2332389 by tim.plunkett: Finish adding methods to FormStateInterface.
Issue #2333987 by herom: Fixed schema translation context terminology and add context for date_format configuration.
Issue #2332427 by neclimdul: Fixed APCUBackend makes incorrect assumptions about apc_fetch return type.
Issue #2329779 by lauriii | davidhernandez: Move user classes from preprocess to templates.
Issue #2326423 by wheatpenny: Move "region" classes from preprocess to template.
Issue #2329775 by lauriii | davidhernandez: Move taxonomy term classes from preprocess to templates.
Issue #2336031 by droplet: Fixed CSS Syntax error in seven theme css.
Issue #2107427 by penyaskito, dclavain, Gábor Hojtsy, mashermike, Aron Novak, YesCT, szato, Wim Leers, mikispeed, vijaycs85: Fixed Regression: Language names should display in their native names in the language switcher block.
Issue #1530774 by lokapujya, jenlampton, Cottser, svdhout, alexrayu, hpz: Fixed Test coverage for adding classes into region template.
Issue #2318281 by tim.plunkett, dawehner | kim.pepper: Provide a standard way to check a plugin is an instance of the required interface.
Issue #2334405 by almaudoh, drunken monkey: Clean up documentation links to functions moved to render element classes
Issue #2283675 by er.pushpinderrana, amitgoyal, mparker17, joachim, mmarquez: Document how optgroups are generated in form_select_options()
Issue #2323921 by Michael Hodge Jr | jhodgdon: Fixed Add user page (admin/people/create) remembers values and should not.
Issue #2331019 by slashrsm: Implement ThirdPartySettingsInterface in Vocabulary.
Issue #2336405 by tim.plunkett: Fixed Follow-up: FormStateInterface::getGroups() should return by reference.
Issue #2123225 by Jelle_S, attiks, Risse, bradklaver | Wim Leers: Fixed Do not upscale by default.
Issue #2332983 by dawehner: Replace ban event subscriber with a ban stack.
Issue #2327363 by yched, andypost: Move datetime_datetime_widget_validate() to DateTimeDefaultWidget::massageFormValues().
Issue #2333357 by tstoeckler, benjy: Fixed Migrate node_revisions.timestamp into the revision_timestamp field.
Issue #2329837 by Cottser | davidhernandez: Move filter classes from preprocess to templates.