@leocg I believe you're correct. That wasn't my issue. I'm just talking about folders with bookmarks in them. I never had folders inside of folders.
With my issue, let's say in my Speed Dial I have a dozen bookmarks in the root Speed Dial along with four or five folders, each with a dozen bookmarks in them as well. In the past I could select everything and copy and paste all the bookmarks and folders simultaneously to a different Speed Dial. Now when I paste I only get a bookmark or two (not all of them), and no folders at all. Folders or not, not even all the bookmarks are pasting either.