Google Optimizes Agent Development Kit's 200K-line Python Codebase Overnight with Gemini 4 Argon

Google explained how an 11-hour unattended run of Gemini 4 Argon produced two accepted optimizations for Google Agent Development Kit's codebase, reducing in-memory session-preparation overhead by about 40% in long sessions and cold package import time by 21%. By Sergio De Simone