Here is a list of all related documentation pages:

KiCad C++ Source Code Style Guide
Commit Message Format Policy
Building KiCad from Source
Python Plugin Development for Pcbnew
Version 6 Road Map
Road Map
Settings Framework
Stable Release Policy
Technical To-Do List
Testing KiCad
Tool Framework
User Interface Guidelines
README
sch_text_help
Project Templates	Author: Brian Sidebotham
Top-level Clauses
Todo List
Deprecated List