We have implemented Personalisation on AEM 6.3 with AEM-CFP-18.104.22.168-6.0 Service Pack.
After targeting the components, In Author the Personalisation is working fine. In Publisher this is not working until restart of the publish instance.
After Debugging the issue found to be, After Targeting and activating the Pages. In publisher the variants for for the Targeted component loaded only the Default content. See the examples below.on page view Source.