Changelog for R-polyclip-1.8.7-1.fc26.i686.rpm :

* Wed May 16 2018 Tom Callaway - 1.8.7-1- update to 1.8-7, rebuild for R 3.5.0
* Sat May 12 2018 Elliott Sales de Andrade - 1.8.4-1- New upstream release
* Sat Mar 17 2018 Elliott Sales de Andrade - 1.6.1-1- initial package for Fedora