Issue #3166543 by mondrake, partyka, longwave, larowlan, Lendude: Deprecate UiHelperTrait::drupalPostForm, keep deprecation silenced

Issue #2991219 by SchnWalter, ultrabob, nitesh624, Kristen Pol, jungle, partyka: template_preprocess_file_link() should not add microformats attribute

Issue #3074201 by partyka, jameszhang023, mr.baileys, jungle, rkostov, Kristen Pol, longwave: Drupal\Core\Routing\RouteCompiler::compile($route) assumes that the '$route' object is injected

Issue #3045966 by partyka, shaal, Wim Leers, Gábor Hojtsy, mglaman, tedbow, Berdir, kjay: Set author and editor passwords to the admin password in the demo to make demoing easier