migration-guide changedmodels/sonnet-5-5/migration-guide
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855855If you send the `fine-grained-tool-streaming-2025-05-14` beta header, remove it when you move to the toolset. Alongside a toolset entry, it returns a 400 error. Set `eager_input_streaming: true` on each tool that needs it instead.
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857Code that already sends the toolset needs no change. [Migrate from `computer_20251124`](https://platform.claude.com/docs/en/agents-and-tools/tool-use/computer-use-tool#migrate-from-computer-20251124) lists the request and agent-loop changes. For other platforms, see [Compatibility](https://platform.claude.com/docs/en/agents-and-tools/tool-use/computer-use-tool#compatibility).
857Code that already sends the toolset needs no change. [Migrate from `computer_20251124`](https://platform.claude.com/docs/en/agents-and-tools/tool-use/computer-use-tool#migrate-from-computer-20251124) lists the request and agent-loop changes. For other platforms, see [API support](https://platform.claude.com/docs/en/agents-and-tools/tool-use/computer-use-tool#availability-feature-support).
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859859### The advisor tool accepts fewer advisors
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