Issue #2170635 by jhodgdon: Remove leftover SearchForm (duplicate of renamed SearchPageForm).
Issue #1926488 by bdone: Rename toolbar "menu" tab to "manage".
Issue #1823494 by Berdir, sun, Jānis Bebrītis: Field API assumes serial/integer entity IDs, but the entity system does not.
Issue #2099105 by Berdir, andypost, amateescu, larowlan: Clean-up render cache when permission changes.
Issue #2169835 by damiankloip, dawehner: Cannot change display ID on a Views display.
Issue #2166065 by alexpott, mtift: Replace config_install_default_config with ConfigInstaller service.
Issue #2169101 by penyaskito, chx: Improve docs in MigrateSqlSourceTestCase
Issue #2171015 by alexpott: Drupal 8 HEAD broken: installing Language module fails, after that cannot install any other module.
Issue #1705618 by nod_, sun, clemens.tolboom, Wim Leers: Double click prevention on form submission.
Issue #952394 by xjm, webchick, sun, catch: 'No available releases found' - fetching update information exceeds timeout.
Issue #2155701 by sun: Installer starts with fatal error/exception 'table 'semaphore' not found' if settings.php contains  already.
Issue #2171015 by webchick: fixed some language/documentation issues.
Issue #2147451 by dawehner: ContainerBuild has to ensure synchronized services.
Issue #2144919 by yched, fago, effulgentsia, amateescu, tstoeckler, chx, larowlan, swentel: Allow widgets and formatters for base fields to be configured in Field UI.
Issue #2154701 by pfrenssen, Gábor Hojtsy, swentel: Regression: Contextual links broken, tabs erroneously added after enabling content translation module.