release: 1.12.0

[stainless-app]

Automated Release PR

1.12.0 (2025-12-18)

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

⚠ BREAKING CHANGES

• api: define shared model ConversionRateConfig

Features

• api: api update (becbbfb)
• api: api update (b6cd2e4)
• api: api update (87a0726)
• api: api update (be086a4)
• api: api update (9f52897)
• api: api update (98aaf7c)
• api: api update (921d3c6)
• api: api update (88e3262)
• api: api update (4de7f17)
• api: api update (6ada340)
• api: api update (455c9c1)
• api: api update (024cfe9)
• api: api update (d677c86)
• api: api update (97803ff)
• api: api update (e883731)
• api: api update (c82723f)
• api: api update (b3fa16d)
• api: api update (863a72d)
• api: api update (6df80f0)
• api: api update (34d9e85)
• api: api update (21271b0)
• api: api update (182e255)
• api: api update (87ab4bb)
• api: api update (dbeafc7)
• api: api update (f8b2792)
• api: api update (f8c9f2c)
• api: api update (d1fc414)
• api: api update (83a6ffd)
• 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)
• handle thread interrupts in the core HTTP client (bd23d78)

Bug Fixes

• absolutely qualified uris should always override the default (22b2593)
• always send filename=... for multipart requests where a file is expected (aefe58f)
• better thread safety via early initializing SSL store during HTTP client creation (89f6a24)
• calling break out of streams should be instantaneous (c7f51d6)
• coroutine leaks from connection pool (a4faf55)
• internal: use null byte as file separator in the fast formatting script (58f092f)
• issue where json.parse errors when receiving HTTP 204 with nobody (ecbf9f1)
• shorten multipart boundary sep to less than RFC specificed max length (984b6ad)
• should not reuse buffers for IO.copy_stream interop (11db4b2)

Performance Improvements

• faster code formatting (9538971)

Chores

• allow fast-format to use bsd sed as well (6566897)
• bump dependency version and update sorbet types (26ac9ce)
• client: send user-agent header (ed62aa3)
• do not install brew dependencies in ./scripts/bootstrap by default (c7d1331)
• explicitly require "base64" gem (2dc59bc)
• ignore linter error for tests having large collections (717bc2e)
• internal: codegen related update (d7dd0b8)

---

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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.