●API — The Interactions API reaches general availability as the default API for Gemini models and agents●AGENT — Managed Agents enter public preview, running autonomous agents in Google-hosted isolated Linux sandboxes●SECURITY — From June 19, requests from unrestricted API keys are rejected, so keys now need restrictions●CLI — Gemini CLI reaches end-of-life on June 18, replaced by the Agentic 2.0 Antigravity CLI●MODEL — Gemini 3.5 Flash is generally available for sustained frontier performance on agentic and coding tasks●UPDATE — Older image preview models such as gemini-3.1-flash-image-preview were shut down on June 25●API — The Interactions API reaches general availability as the default API for Gemini models and agents●AGENT — Managed Agents enter public preview, running autonomous agents in Google-hosted isolated Linux sandboxes●SECURITY — From June 19, requests from unrestricted API keys are rejected, so keys now need restrictions●CLI — Gemini CLI reaches end-of-life on June 18, replaced by the Agentic 2.0 Antigravity CLI●MODEL — Gemini 3.5 Flash is generally available for sustained frontier performance on agentic and coding tasks●UPDATE — Older image preview models such as gemini-3.1-flash-image-preview were shut down on June 25

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Gemini API¹ Interactions API¹ CI/CD¹ Operations¹

◈ Gemini API/2026-07-01Advanced

Keeping Unattended Jobs From Failing Silently: A Preflight Gate for Gemini's Platform Changes

Unrestricted API keys are now rejected, the old CLI reached end of life, and the Interactions API is becoming the default entry point. These 2026 platform shifts stop working automation without raising an error. Here is a preflight gate, with runnable code, that catches the failure before the batch runs.