Another minor release of RcppEigen is on CRAN and getting into Debian. The main focus is an upgrade to the recent 3.2.7 release of Eigen which should address another UBSAN issue. And once again Yixuan Qiu did all the heavy lifting.
NEWS file entry follows.
Changes in RcppEigen version 0.3.2.8.0 (2016-02-23)
Updated to version 3.2.8 of Eigen (PR #29 by Yixuan)