I would assume that answer would be that releases have listed fixes patched or code updated and has been fully tested via testnet and is why we do not run the current release on testnet and are running a newer unreleased version such as we are running 3.7.11.2 in testnet and I think or would think that build has the above listed updates where a release is not until the updates are fully tested and an actual production release built after everything is proven stable and or working that was proposed for updates.