The NEWS entries summarising the changes since the 2.2.* series, we already saw most of this with the two prerelease 0.2.30 and 0.2.31:
0.2.32 2011-12-04
o Upgraded to Armadillo test release 2.4.0 "Loco Lounge Lizard"
o Minimal changes relative to 0.2.31 based on 2.3.92, next section is
relative to the previous stable release series 2.2.* of Armadillo
* added shorter forms of transposes: .t() and .st()
* added optional use of 64 bit indices, allowing matrices to have
more than 4 billion elements
* added experimental support for C++11 initialiser lists
* faster pinv()
* faster inplace transpose
* faster handling of expressions with diagonal views
* fixes for handling expressions with aliasing and submatrices
* fixes for linking on Ubuntu and Debian systems
* fixes for inconsistencies in interactions between matrices and
cubes
* refactored code to eliminate warnings when using the Clang C++
compiler
* .print_trans() and .raw_print_trans() are deprecated
Courtesy of
CRANberries, there
is also a diffstat reports
for 0.2.32 relative to 0.2.31
As always, more detailed information is on the
RcppArmadillo page.
Questions, comments etc should go to the
rcpp-devel mailing list
off the R-Forge page.