Issue #2143519 by followup yched, swentel: Allow FieldInstance yml files to refer to the Field by field name rather than by field_uuid.
Issue #2161067 by chakrapani, Nick_vh: Advanced search with Language filter does not work.
Issue #2198917 by andypost, Berdir: Use the string field type for the node title field.
Issue #2210197 by sun, longwave: Remove public access to Extension::$type, ::$name, ::$filename.
Issue #2073621 by Cyberschorsch, m1n0: Remove unneeded variables from template_preprocess_maintenance_page().
Issue #2206809 by damiankloip: Convert broken handlers to use a trait.
Issue #2205101 by larowlan: Weird use of globals for table header in Forum.
Issue #2008806 by damiankloip, fubhy: Add getIfOwner(), setIfOwner() and deleteIfOwner() methods to TempStore.
Issue #2192649 by sun, chakrapani, sidharthap: Remove drupal_set_title() from installation and update process.
Revert "Issue #2210197 by sun, longwave: Remove public access to Extension::$type, ::$name, ::$filename." Broke 'drush en simpletest' on testbots

This reverts commit 2c51074d59aee9ae21ee4c8dce41b1453580485e.
Issue #2114563 by joelpittet, martin107, Cottser: Remove TwigReference with the help of 'without' filter replacing 'show'/'hide' functions.
Issue #2181527 by nod_, Wim Leers, sqndr: Contextual's toolbar toggle doesn't appear once the client-side cache is filled.
Issue #2206417 by sun: Bogus tests without test methods are reported as successful tests.
Issue #2207589 by droplet: Update JS lib: domready to 1.0.4.
Issue #2204129 by Wim Leers, tim.plunkett: Store the filter format on the editor entity during runtime.
Issue #2203853 by sidharthap, YesCT: Duplicate case 'name': unreachable in comment_tokens(), remove one.
Issue #2142999 by stefan.r, fago: Test for EntityTypeConstraintValidator.
Issue #2093477 by Tor Arne Thune: Terse text for setting theme as default on Appearance page.
Issue #2152225 by longwave, JeroenT, steveoliver, joelpittet, hussainweb, shanethehat, jenlampton, kpa, AnythonyR, EVIIILJ, kgoel, Cottser, dsdeiz, hanpersand: Convert theme_select() to Twig
Issue #1982776 by netsensei, Dave Reid, plopesc: Formatters do not support weights like widgets do.