ATAK 4.7 was released today with a bunch of small improvements, including support for Cyrillic (including Ukrainian) languages. You can find a complete, exhaustive discussion of what’s been added/changed/fixed/updated, along with the status of TAKServer, and TAKX in this video from the recent developer off-site, held in Rome, NY .
Also, not mentioned in the video, you can now find a beta RPM for TAKServer on TAK.Gov
Here’s the update video: