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●SEARCH — File Search grounding now adds media_id for visual citations and page numbers, so you can trace the exact source●API — Event-driven Webhooks replace polling for the Batch API and long-running operations●DEPRECATION — Two image preview models (e.g. gemini-3.1-flash-image-preview) shut down June 25; migrate dependent automation now●MODEL — Gemini 3.5 Flash is GA, beating 3.1 Pro on nearly every benchmark while running 4x faster●AGENTS — Managed Agents are in public preview on the Gemini API, running autonomous agents in isolated Linux sandboxes●STUDIO — Google AI Studio can now generate Android apps from natural-language prompts●SEARCH — File Search grounding now adds media_id for visual citations and page numbers, so you can trace the exact source●API — Event-driven Webhooks replace polling for the Batch API and long-running operations●DEPRECATION — Two image preview models (e.g. gemini-3.1-flash-image-preview) shut down June 25; migrate dependent automation now●MODEL — Gemini 3.5 Flash is GA, beating 3.1 Pro on nearly every benchmark while running 4x faster●AGENTS — Managed Agents are in public preview on the Gemini API, running autonomous agents in isolated Linux sandboxes●STUDIO — Google AI Studio can now generate Android apps from natural-language prompts
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Long-Running Operations

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◈ Gemini API/2026-06-24Advanced

When a Deploy Drops the Webhook: Reconciling Gemini Long-Running Operations with a Belt-and-Suspenders Design

Even after you move from polling to Webhooks, events still get dropped during deploys and transient 5xx windows. Here is how I double up Gemini long-running operations with an operation ledger and a low-frequency reconciliation poller so a missing terminal event never goes unnoticed.