Issue #2177469 by Gábor Hojtsy, Aron Novak, swentel, andypost, Berdir: Move node base widgets to the top level of the form.
Issue #2201751 by Crell: ServiceModifierInterface needs to be the first compiler pass.
Issue #2090509 follow-up by yched, andypost: Fix some type-hinting.
Issue #1996238 by sun, nod_, damiankloip, Wim Leers, longwave, alexpott, Xano, mdrummond, Mark Carver, Jeff Burnz, highrockmedia, joelpittet, et al: Replace hook_library_info() by *.libraries.yml file.
Issue #2200821 by yched, plopesc, Berdir, claudiu.cristea, swentel: Rename Fieldinterface and FieldInstanceInterface.
Issue #2197877 by kirby14: Remove empty views.display_extender.schema.yml file.
Issue #2191897 by damiankloip: Unit test the Drupal\serialization\Normalizer\EntityNormalizer class.
Issue #2151093 by Cottser, quietone, joelpittet, InternetDevels: Convert theme_admin_block_content() to Twig.
Issue #2194061 by jibran: Fix documentation in ConfigSync.
Issue #2191273 by mfernea: Fix Feed typehints in aggregator module.
Issue #2196379 by longwave: Add new simpletest directory location in example.gitignore file .
Issue #1919338 by catch, swentel, bblake, EllaTheHarpy, Cottser: Select widget (from the options module) prone to double encoding.
Issue #2045927 by herom, martin107, ianthomas_uk, Xano, michaellander, Sutharsan: Replace all drupal_alter() deprecated function calls.
Issue #2202537 by alexpott: Avoid repeated cache tag invalidations.
Issue #2002134 by fago, yched, amateescu, effulgentsia: Move TypedData metadata introspection from data objects to definition objects.
Issue #2193609 by andypost: No page title on manage display & form for non-default view mode.
Issue #2195417 by Sutharsan: Clean up configuration import events.
Issue #2203271 by Xano: Undefined index "rows_order" in theme_field_ui_table().
Revert "Issue #2203271 by Xano: Undefined index "rows_order" in theme_field_ui_table()." contained another patch

This reverts commit a457090d61b1a95390958627e723a000d6f29606.
Issue #2203271 by Xano: Undefined index "rows_order" in theme_field_ui_table().