The current version of React is 17.0. The Release Candidate of v 17.0 was announced on Aug 10, 2020. While this version does not have any new developer focused features. Here is from the release notes: https://reactjs.org/blog/2020/08/10/react-v17-rc.html
The React 17 release is unusual because it does not add any new developer-facing features. Instead, this release is primarily focused on making it easier to upgrade React itself.
You can keep up to date with the latest versions and release dates of React here: