There is a new version of phytools (phytools 0.2-80) now available on CRAN. It will probably take a few days for the Mac OS & Windows binaries to be compiled and to percolate through the mirror repositories.
Relative to the most recent CRAN build of phytools (phytools 0.2-70), this version has only a couple of significant updates, as follows:
1. A bug fix in make.simmap(..., type="mcmc"), described here.
Check it out.