...because I'm always hacking on something...
QB64
I rewrote my website (this one) in QB64, which is a somewhat modern version of QBasic. It was quite a bit of work, but I got it to work and am inordinately proud of that.
React Native Live -- Twitch streaming
Every week, I've been streaming on Twitch and exploring a lot of React Native code.
AI/ML
I'm pretty convinced artificial intelligence / machine learning will change the world. Keep an eye on my Twitter for lots of content about that.