You're looking for information on the PS3 SDK 4.75.

According to leaked internal documentation from late 2015, SDK 4.75 included:

What is PS3 SDK 4.75?

ProDG Tools

: A suite of debugging and target management tools by SN Systems, including the ProDG Debugger and Target Manager for real-time console communication.

PS3 SDK 4.75

The (often referred to as the leaked Cell SDK) is the last official software development kit for the PlayStation 3. It is used primarily by hobbyist developers to create high-performance homebrew applications that leverage the PS3's unique Cell architecture. Core Requirements

3.4 No New Game-Specific Features

Official Tools

: It often includes the ProDG toolset by SN Systems, which facilitates debugging and performance tuning.