NEWS

map 0.0.5.9005

drop support for R 4.0 due to changes in dependency packages;
use digest::digest(x, algo = "spooky") instead of fastdigest (which was archived on CRAN);
remove unused dependencies knitr and rmarkdown;

maximum number of threads for parallel operations limited by package option map.maxNumCores, which defaults to min(getOption("Ncpus"), parallel::detectCores()).