Issue #2996114 by BR0kEN, gabesullice, jungle, ARUN AK, tengoku, Wim Leers, nishantkumar155, lawxen, bbrala, mglaman, Morbus Iff, larowlan, joachim, mxr576: Argument 2 passed to Drupal\jsonapi\Routing\Routes::Drupal\jsonapi\Routing\{closure}() must be an instance of Drupal\jsonapi\ResourceType\ResourceType, NULL given

Issue #2349565 by tengoku, jhodgdon, jribeiro, susanb, batigolix, no_angel, megansanicki: Review/update block_content hook_help text