Erik Paulson, 12/05/19 01:54:
It's probably less about splitting the dumps up
and more about starting
to split the main wikidata namespace into more discrete areas [...]
In fact that was one of the proposals in "The future of bibliographic
data in Wikidata: 4 possible federation scenarios".
https://www.wikidata.org/wiki/Wikidata:WikiCite/Roadmap
Federico