Our ES team lead wrote this up for folks to understand this change. I'd recommend a read through, but I just linked to the section on why: https://www.elastic.c

Our ES team lead wrote this up for folks to understand this change. I'd recommend a read through, but I just linked to the section on why: https://www.elastic.co/guide/en/elasticsearch/reference/master/removal-of-types.html#_why_are_mapping_types_being_removed https://www.elastic.co/guide/en/elasticsearch/reference/mast...