Hi,
Version 1.1.1 is finally stable and available at CRAN (https://cran.r-project.org/package=RBaseX). Hopefully this blog "https://r-posts.com/rbasex-a-basex-client-written-in-r/" will contribute to more support for BaseX from the R community.
Ben Engbers
basex-talk@mailman.uni-konstanz.de