While the future is unwritten, FWIW in 2019 Yugabyte moved to Apache 2.0, open-sourcing features that were previously paywalled.
They wrote up their rationale here: https://www.yugabyte.com/blog/why-we-changed-yugabyte-db-lic...
They wrote up their rationale here: https://www.yugabyte.com/blog/why-we-changed-yugabyte-db-lic...