PICS is regularly updated to meet new requirements from funding organisations, provide new facilities for users, or to fix any faults in the software. Make sure that you use the /wiki/spaces/POH/pages/276451895 process to keep your copy of PICS up to date.
The PICS Blog is updated with post that contain details of the main changes to PICS. For a more detailed summary, intended for system administrators, the Release Notes section of this help contains an archive of the updates made for each new version of the software.