Issue #3063856 by quietone, alexpott, rpayanm, benjifisher, fredysan, Wim Leers, Ratan Priya, bsnodgrass, heddn: Add ability to view migrate_message table data

Issue #3368845 by fredysan, larowlan: Remove \Drupal\Tests\jsonapi\Kernel\JsonapiKernelTestBase::createEntityReferenceField and just use \Drupal\Tests\field\Traits\EntityReferenceTestTrait::createEntityReferenceField

Issue #3059564 by yogeshmpawar, fredysan, init90, joachim, alexpott: error in deprecation note on EntityInterface::link()