in iOS 5.0.1 titled pdf files from dropbox to iBooks end up in iBooks untitled

[alisk01]

why all of a sudden, after downloading iOS 5.0.1 do titled pdf files moved from dropbox to iBooks end up untitled pdf files

 

[wallmaxx]

why all of a sudden, after downloading iOS 5.0.1 do titled pdf files moved from dropbox to iBooks end up untitled pdf files

I had to properly fill out the properties of each PDF in my Dropbox folder.
Then I deleted all the PDFs from iBooks and reinstalled them from Dropbox.

I guess iBooks uses the properties "id3" tag to organize the files.

 

[PEACHMARGI]

I have the same problem. Also my entire library of pdf files is non-existent. Did you find a solution?