[OS X TeX] Beamer in MacTeX 2009 vs. 2010

[Joshua Smith]

Hello all,

I recently updated MacTeX 2009 to MacTeX 2010, and then updated all  
packages using TeX Live Utility.  This resulted in beamer being  
updated from 3.07 to 3.10.  With this update, I now have a problem I  
do not know how to resolve.  The PDF produced by the following sample  
code:

\documentclass{beamer}
\usetheme{default}
\begin{document}
Sample
\end{document}

has different behavior for the small PDF clickable controls (whatever  
they are called) on the bottom of the PDF slide.  For MacTeX 2009  
(with beamer 3.07), these appear without any boxes around them (see  
attached PDF).  But for MacTeX 2010 (with beamer 3.10), these appear  
with red and gray boxes around them (see attached PDF).

Is this due to a change in beamer?  Or is it due to a change in  
hyperref, which was also updated with the change from MacTeX 2009 to  
MacTeX 2010.  Either way, how do I get rid of the boxes?

Thanks,
Josh

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