release: 1.12.0

[stainless-app]

Automated Release PR

1.12.0 (2025-09-26)

Full Changelog: v1.11.2...v1.12.0

⚠ BREAKING CHANGES

• api: define shared model ConversionRateConfig

Features

• api: api update (343fa0b)
• api: api update (b89ea6d)
• api: api update (be80854)
• api: api update (8e3ac4b)
• api: api update (246283d)
• api: api update (bc6c8f9)
• api: api update (394af82)
• api: define shared model ConversionRateConfig (aa669fe)
• expose response headers for both streams and errors (cafba93)
• extract minimum composite to type (3bd8a47)

Bug Fixes

• internal: use null byte as file separator in the fast formatting script (58f092f)
• shorten multipart boundary sep to less than RFC specificed max length (984b6ad)

Performance Improvements

• faster code formatting (9538971)

Chores

• allow fast-format to use bsd sed as well (6566897)
• do not install brew dependencies in ./scripts/bootstrap by default (c7d1331)
• internal: codegen related update (d7dd0b8)

---

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The semver version number is based on included commit messages. Alternatively, you can manually set the version number in the title of this pull request.

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[stainless-app]

Release version edited manually

The Pull Request version has been manually set to 1.12.0 and will be used for the release.

If you instead want to use the version number 2.0.0 generated from conventional commits, just remove the label autorelease: custom version from this Pull Request.