Changelog for lib64qtwebkit4-4.8.6-2pclos2017.x86_64.rpm :
Thu Dec 7 13:00:00 2017 bb2 - 4.8.6-2pclos2017
- rebuild against updates

Sat Feb 28 13:00:00 2015 bb 4.8.6-1pclos2015
- update but use external library and name
- it like previous library from the qt4 package
- so upgrades are smooth