In the language committee we have agreed that any iso-639-3 language may be
eligible for adding labels in Wikidata. This will open up Wikidata as a
source in its own right and it will allow for searching images and
Wikipedia articles in other languages.
There are technical considerations that need to be sorted. Particularly the
method whereby languages are enabled within the Wikimedia Foundation. I
have created a concept  for a blogpost announcing this decision.It has
already been read by Amir so it can be safely read on Meta.
One of the reasons for this is an old request by Erik to look into making
it easier for languages to find their way into WMF. It is likely that one
minority language will get its data into Wikidata when this policy is