Mapping changesedit

The _all meta field is removededit

The _all field deprecated in 6 have now been removed.

index_options for numeric fields has been removededit

The index_options field for numeric fields has been deprecated in 6 and has now been removed.

Limiting the number of nested json objectsedit

To safeguard against out of memory errors, the number of nested json objects within a single document across all fields has been limited to 10000. This default limit can be changed with the index setting index.mapping.nested_objects.limit.

The update_all_types option has been removededit

This option is useless now that all indices have at most one type.