[AUCTeX] RefTeX: What is the recommended version?

[Uwe Siart]

Dear all,

because the AUCTeX website says that RefTeX is maintained by the AUCTeX
project I dare to ask here:

I wonder what/where is the latest/best version of RefTeX? RefTeX comes
bundled with Emacs 24.2 released 08/2012. "C-h v reftex-version RET"
shows me "4.31". At <http://www.gnu.org/software/auctex/reftex.html> in
contrast I see v4.34 dating 2009.

So which one is more recent? Which one is recommended for use? 4.34/2009
from the RefTeX website or 4.31 that comes with recent Emacs?

-- 
Uwe