Investigate why queries are returning 0 triples for queryservices running on MW 1.43.
See for example: https://tarrow-143-test1.wikibase.dev/query/#select%20%2a%20where%20%7B%3Fa%20%3Fb%20%3Fc%7D
It's highly likely that the necessary logic to trigger the updater to run isn't happening. We can see if running: QsBatch::where('wiki_id', 171)->get() we get no results.
Useful docs: