The two changes applying to all Tank jobs in FFXIV involve Rampart and Reprisal. In the case of Rampart, it and similar 30% damage reduction abilities will be stronger when someone is between level 90 ...
As is common with any patch, there are new FFXIV job action and trait adjustments that change how certain roles work in 7.1. Also as usual, certain jobs experienced more alterations than others. So ...