I organise all my 1P logins using Tags. I don't use Folders.
In 4.5b30 there is a large empty space in the Organize tab for Folders, which do not exist in my 1P database. Also, when I scroll down my Tags are "cut-off".
See the large empty space here:
See the cut-off Tags here:
Tapping the "Edit" button twice rectifies the issue: