The wikidata harvesting should be far enough gone that we can merge it back into master. The only open issue remaining being T172691: Ensure wikidata harvest is possible for very large datasets.
Since master has also changed in the meantime the whole branch needs to be rebased and the result carefully compared to our desired results See e.g. T172841: Ensure all output works for Wikidata harvests
It also looks as though the merge commit will have to squash all of the underlying (reviewed) commits as gerrit doesn't play nice with branches. At the very least we should probably explicitly link to the squashed reviews in the commit message.