While specific patch notes for exactly 3.3.1 are often rolled into broader maintenance updates, recent "3.x" series updates have introduced: Periscope Pro - App Store

The software is designed to be resource-efficient, reportedly using 30% less CPU than many competitors. Version 3.3.1 Specifics

It is compatible with Mac’s built-in FaceTime cameras, third-party USB webcams, and over 950 models of IP cameras.

Recorded clips can be automatically uploaded to Dropbox, enabling users to check footage from any device with an internet connection.

The app includes a "Candid Camera" mode that allows it to operate while hidden from the user interface.

Recording can be set to continuous mode or triggered by motion, sound, or both.

Periscope Pro 3.3.1 and subsequent versions focus on ease of use and efficient monitoring: