Robot Framework 6.1 is a new feature release with support for converting Robot Framework data to JSON and back as well as various other interesting new features both for normal users and for external tool developers. This first alpha release is especially targeted for those interested to test JSON serialization. It also contains all planned backwards incompatible changes and deprecated features, so everyone interested to make sure their tests, tasks or tools are compatible, should test it in their environment.
For more details see the full release notes.