Peoplesoft Updates Details

Peoplesoft patches and bundle projects applied to the Instance can be view in the 

table ps_maintenance_log.

This information can be view in online in PIA. In the 3 components

Peopletools > Utilites > Administration > Updates - View all
Peopletools > Utilites > Administration > Updates by Release Label
Peopletools > Utilites > Administration > Updates by Update ID