Issue #1149078 by vasike, wuinfo - Bill Wu, dww, Gauravvvv, Marios Anagnostopoulos, peterpoe, VladimirAus, legolasbo, GoZ, mgifford, dalin, jrb, heddn, himanshupathak3, _utsavsharma, GrandmaGlassesRopeMan, arcaneadam, danflanagan8, arnaud-brugnon, Daniel Kulbe, uzlov, Kuntyi, DamienMcKenna, Neslee Canil Pinto, COBadger, jofitz, esod, sukanya.ramakrishnan, nod_, droplet, smustgrave, CKIDOW: States API doesn't work with multiple select fields

Issue #3038141 by hooroomoo, bnjmnm, lauriii, pooja saraah, uzlov, Charchil Khandelwal, Pancho, smustgrave, joachim: Machine name field expands after failing validation

Issue #2502967 by uzlov, Xano, alvar0hurtad0: Mark PluginSettingsInterface as deprecated for removal before Drupal 9.0.x