Gutenberg hit the 3.0 milestone recently. Matias Ventura wrote about what's new in Gutenberg on Make Core. The block library and inserting interface underwent an overhaul that I believe is a nice enhancement.
Rich Tabor writes about how to add WordPress theme styles to Gutenberg, noting that doing so is not as “plug-and-play” as one would think. Rich shows how to fine-tune the theme styles within Gutenberg along with mentioning a few pitfalls.