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.
We are executing the TDT migration for Italy, however we faced several warning messages for Missing condition types. For instance: Condition Type MWAI in Procedure 0TXIT doesn't exist for Tax code XX.
