The Japan Aerospace Exploration Agency is making a new toilet that they hope to roll out in the next five years. I speculate that when gamers find out, the venture capital will come flowing.
The new toilet will be worn like a diaper and sensors will mark the relief (what, the space people can’t tell?) When the deed is done, a huge vacuum sucks the waste into a reusable container. Soundproofing is included in the design.