Issue #2332049 by Wim Leers: Silliest, most trivial clean-up of drupal_render() EVER.
Revert "Issue #2154775 by er.pushpinderrana, barnettech, kirkkala, InternetDevels | Wim Leers: Fixed In-place editing of title: works, but cursor is invisible."

This reverts commit 3973634d148c706937ff8b5f9a518aaed823aa65.
Issue #2330465 by rachel_norfolk: Fixed Remove entity_reference.admin.css.
Issue #2074203 by cilefen, Wim Leers, Gábor Hojtsy: Add changed time tracking to menu links.
Issue #2320037 by Gábor Hojtsy: Fixed Non-fieldable entities (with only base fields) cannot be configured translatable, eg. shortcuts.
Issue #2329765 by tim.plunkett | sun: Remove all @backup* annotations from (pure) unit tests.
Issue #2332299 by dawehner: Fixed Strict failures in TestRunnerKernel.
Issue #2303673 by dawehner, damiankloip, effulgentsia, Fabianx: Implement stackphp; cleanup handlePageCache() and preHandle()
Issue #2323721 follow-up by David_Rothstein: Restore missing test.
Issue #2329795 by fietserwin, bzitzow, alexrayu, tstoeckler | illutek, dawehner: Fixed Make it possible to add information to theme info files during development.
Issue #2317557 by dawehner, Cottser, joelpittet, jhodgdon: Fixed renderInline not compatible with twig_auto_reload.
Issue #2331991 by Gábor Hojtsy, vijaycs85, dawehner: Tests for Theme missing when installing in non-English language.
Issue #2330121 by plach, effulgentsia, fago: Replace ContentEntityDatabaseStorage::getSchema() with a new EntityTypeListenerInterface implemented by SqlContentEntityStorageSchema.
Issue #2293205 by Berdir | tim.plunkett: Consider removing usage of DataDefinition in ContextHandler.
Issue #2271349 by Berdir, Arla, blueminds, larowlan, Dave Reid: Node and Comment ops links should be display components (which can be disabled).
Issue #2285413 by andypost: [Meta] Standardize entity route names.
Issue #2260121 by sun: PHPUnit Tests namespace of modules is ambiguous with regular runtime namespace (+ Simpletest tests).
Issue #2241275 by Wim Leers: DateFormat cache tag: don't set the cache tag, but invalidate the entire render cache?.
Issue #2330751 by dawehner, chx: Fixed Random test failures everywhere due to ->with(Request::create()).
Issue #2250315 by dawehner, pwolanin: Fixed Regression: Bring back node access optimization to menu trees.