In the 7 months before this post I contributed 300 lines of code to Casa repositories.
In the 1 month after this post I've contributed 50,000 lines of code - mostly tests, integrity checks, and security tooling.
To give some perspective of how AI tooling has also accelerated defender capabilities:
Before this year if I wanted a comprehensive external pentest & code audit I was looking at $50K - $100K and a month to receive the report.
Now I can do it for $1K in 1 day.