Issue #1986418 followup by LewisNyman: Update textfield & textarea style.
Issue #2307231 by olli | Charles Belov: Fixed Deleted views display not struck through.
Issue #2279395 by alexpott, mradcliffe, bzrudi71: Fixed The PostgreSQL backend does not handle NULL values for serial fields gracefully.
Issue #2279395 by alexpott, mradcliffe, plach, bzrudi71: Fixed The PostgreSQL backend does not handle NULL values for serial fields gracefully.
Issue #1800614 by falcon03, mgifford, LinL | jessebeach: Improve the responsive toolbar accessibility.
Issue #2112247 by sihv, dgroene, aalamaki, Dennis Walgaard, mErilainen: Fixed Valid file extensions in file names are not properly enforced when uploading files.
Issue #2308545 by penyaskito: Typo in LanguageNegotiationUrlTest.
Issue #2149197 by penyaskito, mikey_p, vijaycs85, herom: Replace format_interval with \Drupal::service('date')->formatInterval().
Issue #2078473 by blueminds | Berdir: Added Use entity access API for checking access to private files.
Issue #2302617 by dawehner, chx | Crell: Define a standard mechaism for backend-aware service overrides.
Issue #2307125 by webchick: Fixed HTML double-escaping in EditorImageDialog.
Issue #2306515 by lokeoke | yukare: Fixed HTML double-escaping in CKEditor toolbar configuration UI.
Issue #2308971 by herom: Fixed Quickfix: Two schema files are not named with the common naming scheme.
Issue #2299699 by lokeoke | jhodgdon: Some classes need @ingroup added to them.
Issue #2308967 by martin107: Fix spelling errors
Issue #2308707 by eojthebrave: Fix annotation class reference in field.api.php
Issue #2308699 by eojthebrave: Fix documentation of WidgetBaseInterface::formElement method
Issue #2308695 by eojthebrave: Fix typo
Issue #2290275 by chx: Add information to migrate plugin classes and interfaces for developers
Issue #2306455 by hussainweb, alexpott, er.pushpinderrana: Fixed ConfigEntityStorage adds too many dots.