Microsoft released an update for the unified labeling version of the Azure Information Protection client needed for Office 365 sensitivity labels, which now boast auto-label support. Solid progress is being made to move sensitivity labels to the point where they are considered to be generally available, probably later this year. In the meantime, pay attention to the premium features like auto-label which require more expensive licenses.
https://office365itpros.com/2019/02/26/unified-labeling-sensitivity-labels-auto-labels/
