February 14 Prevention Hey SharePointers! February 2019 CU for SharePoint Server 2013/16 is available February 2019 Cumulative Update for SharePoint Server 2013 & 2016 product family is released, so time to stay vaccinated: backup those environments and patch!
February 6 Prevention Global tenant opt-out for modern lists is going away Don't be an April Fool - be ready on April 1, 2019, O365/SPO to begin retiring the ability to opt out of modern lists at the tenant level.