While North American fans continue to lament any movement with this property, French distributor Black Box has picked up the rights to Tatami Galaxy for release.
They’ll be bringing it out in separate DVD and Blu-ray editions on May 22nd, 2017 priced at 20 and 25 euro respectively.
It looks like the show is getting a French language dub as well, though that could be a solicitation problem and is intended to be listed as French subtitles.