Hi Piotr,Even I am also facing the same issue. I am also facing error 403 forbidden while accessing the link for patch readme notes in help.sap.com.Thanks and Regards,Sumit Kumar
As Sany Said has already announced that there will be no b1908 annual release for validated customers, hence I think we can continue with catalog 2.0 till b2020 gets injected. @sany said please correct me if I am wrong.Thanks and Regards,Sumit Kumar
Once imported, Content Object ID cannot be changed. While importing you can edit the Object ID. Also with in database the Content Object ID is the APP_ID column which is a primary key. So once imported, the Content Object ID cannot be changed.