Changelog for R-callr-3.4.3-1.26.x86_64.rpm :

* Wed May 27 2020 flyosAATTmailoo.org- Update to version 3.4.3 , see changlog at: https://cran.r-project.org/web/packages/callr/news/news.html
* Sat Feb 01 2020 detlef.steuerAATTgmx.de- Update to 3.4.1
* Thu Oct 18 2018 flyosAATTmailoo.org- Update to 3.0.0
* Fri Dec 01 2017 flyosAATTmailoo.org- Initial build