Is anyone else having a problem with the way cc 2015 bookmarks appear in the PDF bookmarks bar? Mine were fine in cc21013 and 2014, but now they aren't and I'm stuck trying to figure out a way to fix hundreds of bookmarks in my documents. In 2015, there's a ridiculous amount of line spacing between each bookmark, and all bookmarks associated with a primary bookmark (for example, sections beneath a chapter title page bookmark), have disappeared completely and just show up as some faded bitmap icon along the left side of the bookmarks bar.
Are you talking about how they appear in InDesign's Bookmarks panel, or are you talking about how the bookmarks appear in Acrobat or Reader in the those applications's Bookmarks panel?
Tell us how you are creating the bookmarks (manually in InDesign in the Bookmarks panel), or are they being generated from a table of contents, or in some other way.