Nioh 2 The Complete Edition has been updated to version 1.28.6 today by Koei Tecmo. You can find out the complete patch notes from here.
This patch was released for PC today to address some of the issues including with the lock-on targets, keyboard mouse controls, and frame rate cap that could cause issues when set to 120 FPS. Get the details on this update below, or take a look at the Steam forums.