Tech Radar, May 21, 2026: Antigravity 2.0 CLI Migration, Gemini 3.5 Flash Cost Optimization, Android Vibe Coding, and GitHub's Supply Chain Breach
Today is May 21, 2026. Just 48 hours after the explosive sessions of Google I/O Day 1, the software industry continues to receive architectural signals that will define the second half of 2026. If you haven’t read the May 19 radar on Gemini Intelligence and Firebase’s Agent-Native transition or the May 18 radar on Kubernetes v1.36 and Google I/O prep, that is the necessary background context. Today, we witness the formalization of the Antigravity 2.0 developer ecosystem with concrete command parameters, the release of the low-cost Gemini 3.5 Flash model addressing the agentic cost crisis analyzed in the May 15 radar, and a major cybersecurity storm hitting the DevOps supply chain orchestrated by the threat actor group TeamPCP (UNC6780). ...