release: 0.38.0

[stainless-app]

Automated Release PR

0.38.0 (2026-02-17)

Full Changelog: v0.37.0...v0.38.0

Features

• Update descriptions for endpoints (e7a8aaf)

Bug Fixes

• client: avoid removing abort listener too early (1376258)

Chores

• Fix various docstrings (af4c47f)
• internal/client: fix form-urlencoded requests (d73f69f)
• internal: avoid type checking errors with ts-reset (70ad44b)
• Update descriptions for jig queue methods and properties (7fdfcca)

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Note

Medium Risk
Mostly codegen/type/doc churn, but it also changes core HTTP request body encoding and abort-signal lifecycle, which can affect request behavior across environments.

Overview
Bumps the SDK to v0.38.0 (version files, manifest, changelog, spec metadata).

Fixes client request handling by not removing the abort listener in fetchWithTimeout and by encoding plain-object bodies as application/x-www-form-urlencoded when that content type is set.

Regenerates the SDK from an updated OpenAPI spec, primarily tightening/clarifying types and docstrings (e.g., many object fields become string literals; jig.queue responses/params are more fully typed; clusters region is now string; removes exported FileObject and expands FileResponse shape), with minor test fixture updates to match new typings.

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Abort listeners accumulate across completed requests

Medium Severity

fetchWithTimeout no longer removes the abort listener from the caller-provided signal after fetch completes. Reusing one AbortSignal for many requests now retains one closure per request, causing unbounded listener growth and extra abort callbacks long after requests have finished.