Issue #2547531 by sdstyles, mradcliffe: Fix documentation for FormTestBase::getMockForm form id parameter

Issue #1611954 by tim.plunkett, sun, samuel.mortenson, Berdir, mgifford, chx: Setting #access = FALSE on a vertical tab does not prevent input processing of the contained form elements

Issue #2513332 by stevector: NodeViewController::view() does not pass along its arguments when calling parent method

Issue #2455057 by michaellenahan, jhodgdon, jelo: Document (or set up?) fast 404 settings for private image files

Issue #2559969 by alexpott: Make SafeStringInterface extend \JsonSerializable so we don't have to do so much string casting

Issue #2543340 by Wim Leers, Fabianx: Convert BlockViewBuilder to use #lazy_builder (but don't yet let context-aware blocks be placeholdered)

Issue #2555911 by amitshah2007, sdstyles, pwlravikiran, mpdonadio: Incorrect indentation in TimestampAgoFormatter()

Issue #2457793 by claudiu.cristea, webflo: UX Regression in File- and ImageWidget, Table is always visible

Issue #2551263 by Berdir, nod_: Deleting entity/field models when markup is removed can result in JS error

Issue #2555473 by stefan.r, cilefen, alexpott, plach: Deprecate SafeMarkup::checkPlain() for Drupal 8.0.x

Issue #2560137 by dawehner, pwolanin, klausi, tsphethean, sun: Posting an array as value of a form element is allowed even when a string is expected (and bypasses #maxlength constraints) - first step: text fields

Issue #2559605 by Cottser, stefan.r: Convert SafeMarkup::checkPlain() in render arrays to #plain_text

Issue #2547357 by sasanikolic, timmillwood, Berdir, mbovan: $error in case of a views query exception

Issue #2560055 by alexpott: Remove all usages SafeMarkup::checkPlain() in DiffFormatter and SafeMarkup from the Diff component

Issue #2502113 by pguillard, JMC, prajaankit, LewisNyman, pjbaert: Unused css classes in system.diff.css

Issue #2556785 by Antti J. Salminen, lauriii: Specific preprocess functions doesn't support second level without first level

Issue #2558905 by dawehner, pwolanin, cilefen, plach, willzyx: Content translation module - Information disclosure by insufficient access checking

Issue #2558247 by dawehner, catch, mradcliffe, jhedstrom, Berdir, jibran, effulgentsia, webchick: Remove rebuildAll() and module install from UpdatePathTestBase

Issue #2559877 by alexpott, chx, swentel, davidhernandez, dawehner, subhojit777: Quick editing a body field on Standard does not work

Issue #2554233 by pwolanin, tim.plunkett, amateescu, dawehner, Wim Leers, catch, effulgentsia, larowlan, Abdullah Hussam, greggles, David_Rothstein: Port Cross-site Request Forgery - Form API fixes from SA-CORE-2015-003 to Drupal 8

Issue #2546210 by penyaskito, mikeker, Gábor Hojtsy, dawehner: Views subtokens are broken since the introduction of inline templates for replacements

Issue #2549921 by borisson_, alexpott: SearchExcerptTest and SearchMatchTest should be a KernelTestBase tests

Issue #2551267 by Jeremy, mandar.harkare, alexpott, albertski: Rename update_manager_access() to _update_manager_access()

Issue #2547667 by stefan.r, David_Rothstein, joelpittet: Fix broken page title Update Manager (authorize.php)