Microsoft team officially made the most awaited announcement today, Azure AD Connect is now generally available for all Azure AD customers including Office365 customers. Azure AD Connect is the single tool and experience for connecting your on premises directories to Azure AD, whether you are evaluating, piloting, or in production.
We can expect more updates on this new Tool after its GA from the community, Most of the Organizations can now utilize this Tool to migrate to Office 365 at ease. With this release we can eliminate the deployment complexity of Dirsync \ AAD Sync and AD FS and also take advantage of more advanced features as explained here.
Along with this, Azure AD Connect Health is also now generally available for Azure AD Premium customers. Azure AD Connect Health is a cloud based service and a key part of our effort to help you monitor and secure your cloud and on-premises identity infrastructure.