Martin Fowler has started watching the micro services space. Nothing to report, specifically. This is just a page I'd recommend watching.
Layer 7, a CA technologies company, has just released results of a survey focused on API design and deployment. There are many takeaways from the survey, so be sure to read it, but one thing I thought particularly promising: a predicted growth in Hypermedia-aware APIs among API developers. If you're interested in embracing hypermedia, and the design pattern HATEOAS, I would encourage you to check out Spring HATEOAS and - if you'd like to learn more about using Spring HATEOAS and Spring Boot, check out this tutorial and adjoining code.