The Minerva hard fork was activated last Thursday (07.03.2019) migrating all Phase 1 AE tokens and introducing a number of consensus-breaking improvements. You can look at the release notes for a detailed list of changes. We are happy to announce that:

https://blog.aeternity.com/a-successful-hard-fork-state-channel-improvements-and-expanded-node-apis-5de08a775b7b