If so, you need SAP Universal ID. In a few months, SAP Universal ID will be the only option to login to SAP Community. Without it, you will lose your content and badges. If you have multiple accounts, use the Consolidation Tool to merge your content.
Has anyone found out if SAP released the usual spreadsheets that map the MDG data model entities and attributes to the backend S4 tables and fields for 1909? The last set I was able to find was for 1809.