@Jonic @Netlify I've not heard any plans for that being discussed, however both @IFTTT and @Netlify can consume and emit webhooks, so you'll probably be able to do what you want already.
For example, I rebuild my site whenever @IFTTT sees that I've tweeted...
https://www.hawksworx.com/blog/keeping-a-jamstack-site-feeling-fresh-with-recent-tweets/