Minecraft wiki entry for Development_versions, associated text: Added several new block tags to correspond with villager NBT:
meeting_site_poi
points_of_interest (includes meeting_site_poi, and job_site_poi below)
job_site_poi (includes all below)
armorer_poi
butcher_poi
cartographer_poi
cleric_poi
farmer_poi
fisherman_poi
fletcher_poi
leatherworker_poi
librarian_poi
mason_poi
shepherd_poi
toolsmith_poi
weaponsmith_poi