What's everybody working on? (September Edition)

Demo thread! Share screenshots, videos, sound clips, stories, asciinema recordings, link a blog post you made, or just explain what hobby project you’ve been working on lately. Ambitious, well-scoped, or anywhere in between, your efforts are welcome in this thread. If you posted in a previous thread, give us an update! Are you tackling a new challenge? Still wrestling with the same problem space? Have you moved on to something completely new? Previous threads: What's everybody working on? Wh...