Umbraco 8: Get absolute url from IPublishedContent.
Umbraco 8 : Migration from umbraco v7.15 to v8
Umbraco 8 contains a lot of breaking changes and a lot of code has been cleaned up compared to Umbraco 7. Due to this, it will not be possible to do a direct upgrade from Umbraco 7 to Umbraco 8.