Changelog for R-lubridate-1.7.3-4.fc28.x86_64.rpm :

* Sun Mar 18 2018 Elliott Sales de Andrade - 1.7.3-4- Add missing Rcpp Requires.- Make library name explicit.
* Sat Mar 17 2018 Elliott Sales de Andrade - 1.7.3-3- Unbundle cctz.
* Mon Mar 05 2018 Elliott Sales de Andrade - 1.7.3-2- Enable doc build.
* Sun Mar 04 2018 Elliott Sales de Andrade - 1.7.3-1- initial package for Fedora