Google I/O 2026 Developer Preview: Firebase, Gemini 4 & Android 17

May 5 · 10 min read · Google I/O 2026 opens on May 19 at Shoreline Amphitheatre in Mountain View, and based on the confirmed session schedule and official previews, it may be the most developer-dense I/O since 2023. Two threads run through every preview Google has publish...