Can't speak for Jeroen, but it sounds like it's worth adding support
for tar.zstd package files, just like how tar.gz, tar.xz, and
tar.bzip2 are currently supported. I'd also argue for support zstd
compression throughout R, including adding zstdfile(), support for
saveRDS(..., compress = "zstd"), a
zstd is accessible within R using the archive package [1]. I use it
all the time when saving large objects, using code I adapted from [2].
Is your suggestion to import the libraries/source code into base?
[1] https://CRAN.R-project.org/package=archive
[2]
https://coolbutuseless.github.io/2018/10/
