Jupyter Notebook 4.2 Released
Probably the longest time-to-knowing-what-the-hell-this-thing-actually-is I've ever seen on HN. Clicked on the link, clicked on a Github link, clicked to the Github root, clicked on the link to the project's site, clicked on the first item in the table of contents, got a vague idea what it was.I feel grumpy and old. :(