For the third item, users might have multi-cycle constraints copied from an earlier version of the example design XDC that they will need to remove from their user XDC files.
All of the multi-cycle constraints for AN/LT should be removed.
Installation Instruction :
This update is a design repository for Vivado 2017.2. To install please refer to the attached l_ethernet_v2_2_ANLTupdates_Read_Me file.
These issues will be fixed in the v2.3 release of the core in Vivado 2017.3.