Question: Is there somewhere that helps you keep up with official Gutenberg news?
Answer: Yes. Make WordPress Core: Keeping up with Gutenberg: Index 2021
Reference
https://make.wordpress.org/test/tag/fse-testing-summary/
https://make.wordpress.org/test/tag/fse-testing-call/
https://make.wordpress.org/test/tag/fse-hallway-hangout/