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Tools2026-06-09 · source-backed

Google permanently removed the legacy Gemini Interactions API schema on June 8.

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source-backed
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Story

The v1beta Interactions schema is gone, replaced by a structured "steps" timeline and a polymorphic "response_format," enabling future mid-flight steering and async tool calls. Developers who hadn't opted into the new revision header now face hard breakage. A dated, real migration deadline for anyone building agents on Gemini. Two breaking changes from Apple and Google in one day. Tax season for platform dependencies.


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2026-06-09-google-permanently-removed-the-legacy-gemini-interactions-api-schema-on-june-8
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source-backed, canonical briefing excerpt