release: 0.57.0

[stainless-app]

Automated Release PR

0.57.0 (2026-05-19)

Full Changelog: v0.56.0...v0.57.0

Features

• browsers: accept chrome_policy on POST /browsers (KERNEL-1216) (b1807a2)

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Note

Low Risk
Low risk, additive API surface change that threads a new optional chrome_policy field through the request/response models and updates version metadata.

Overview
Adds chrome_policy support for browser session creation. browsers.create() (sync/async) now accepts an optional chrome_policy dict and includes it in the POST /browsers payload, with updated generated types to expose chrome_policy in create params and browser session responses.

Release bump to 0.57.0. Updates pyproject.toml, _version.py, release manifest/changelog, OpenAPI spec metadata, and adjusts browser API tests to include the new parameter.

^{Reviewed by Cursor Bugbot for commit 7365ae7. Bugbot is set up for automated code reviews on this repo. Configure here.}

[firetiger-agent]

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[stainless-app]

🧪 Testing

To try out this version of the SDK:

pip install 'https://pkg.stainless.com/s/kernel-python/b1807a2d690f206e7482f5862acde36e692d07aa/kernel-0.56.0-py3-none-any.whl'

Expires at: Thu, 18 Jun 2026 00:03:18 GMT
Updated at: Tue, 19 May 2026 00:03:18 GMT