release: 2.0.0 #2671
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release: 2.0.0 #2671
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…onses, BatchUsage This release introduces a major version change to reflect a breaking modification in the `ResponseFunctionToolCallOutputItem` and `ResponseCustomToolCallOutput` schemas. Specifically, the `output` field, which previously accepted only a `string` value, has been expanded to support multiple structured types: ``` Before: output: string After: output: string | Array<ResponseInputText | ResponseInputImage | ResponseInputFile> ``` This change allows custom tool calls to return images, files, and rich text content in addition to plain strings, aligning `ResponseCustomToolCallOutput` with the broader `ResponseInput` type system. Because this alters the type and shape of the field, it may break existing callsites that only accept strings. BREAKING CHANGE: `ResponseFunctionToolCallOutputItem.output` and `ResponseCustomToolCallOutput.output` now return `string | Array<ResponseInputText | ResponseInputImage | ResponseInputFile>` instead of `string` only. This may break existing callsites that assume `output` is always a string.
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🤖 Release is at https://github.com/openai/openai-python/releases/tag/v2.0.0 🌻 |
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Automated Release PR
2.0.0 (2025-09-30)
Full Changelog: v1.109.1...v2.0.0
⚠ BREAKING CHANGES
ResponseFunctionToolCallOutputItem.outputandResponseCustomToolCallOutput.outputnow returnstring | Array<ResponseInputText | ResponseInputImage | ResponseInputFile>instead ofstringonly. This may break existing callsites that assumeoutputis always a string.Features
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