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.
Each time I read a post in ABAP Forum (I don't know if this "problem" exists in other forums) and I click in Go Back, it returns to the first page of the forum, not to the last page (the page where I clicked to see the post).