[pdftex] Latest version is where?

[John Culleton]

Per the manual I visited ftp://cstug.cz ...etc. and found some very old 
versions, dtaing to 2000 and 2001
I visited www.pdftex.org and found version 1.10.b. To use protcode I need 
 version 14 or newer.  I normally run the TeXlive version of TeX on a Linux 
system.

I assume 1.10b is earlier than the "version 14" mentioned by Han The Thanh.
Given the above, where should I look further?

John Culleton