My account still has the earlier 6.17.06 versions for download only. Does the new version contain an updated BSP ? Is it ok to download 6.18.01 from the normal download area ?
Yes, it's fine to download the newest version of Designer (6.18.01) from the download page. We did not update any of the BSPs on that page, but they are all still compatible with the new version of Designer.
I'll make sure that the download links on your account page also get updated.