I went a little overboard with the Scythian conlang of The Aetherverse by making three extra dialects distinct from the standard form. One is supposed to be so influenced by leftist ideology that it removes all traces of grammatical gender to avoid "sexism."
Though not featured prominently in The Aetherverse, Standard Scythian is the common language of the Caspian system-states of the galactic Inner Rim and Deep Core. Its standardized register is the official language of all Caspian societies.
Read more at: http://theaetherverse.com/print-articles/scythian
