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eclairen merged 5 commits into from
May 21, 2026
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Add May 21 changelog entry #373

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f91f793
Add May 21 changelog entry
eclairen May 21, 2026
720df20
Update changelog with new features and improvements
eclairen May 21, 2026
5304196
Update changelog.mdx
eclairen May 21, 2026
6c2f437
Fix broken doc links in May 21 changelog
eclairen May 21, 2026
9ce6754
Update changelog.mdx
eclairen May 21, 2026
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19 changes: 19 additions & 0 deletions changelog.mdx
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Expand Up @@ -9,6 +9,25 @@ import { YouTubeVideo } from '/snippets/youtube-video.mdx';
For API library updates, see the [Node SDK](https://github.com/onkernel/kernel-node-sdk/blob/main/CHANGELOG.md), [Python SDK](https://github.com/onkernel/kernel-python-sdk/blob/next/CHANGELOG.md), and [Go SDK](https://github.com/onkernel/kernel-go-sdk/blob/main/CHANGELOG.md) changelogs.
</Note>

<Update label="May 21" tags={["Product", "Docs"]}>
## Product updates

- Added auto standby to browser pool instances — pools can now automatically suspend when idle and resume on the next incoming request, reducing costs without manual intervention.
- Launched new browser configuration options on `browsers.create()` and browser pool definitions: [`chrome_policy`](/browsers/pools/policy-json) and `start_url` for opening directly to a specified URL on launch. The corresponding `--start-url` flag is available in the [CLI](https://github.com/kernel/cli).
- Exposed full [Projects](/info/projects) CRUD in the public API, so projects can be created, updated, and deleted programmatically alongside the existing list endpoint.
- Managed auth improvements: Added health check and automatic re-authentication controls to the [managed auth API](/auth/overview), letting you configure check intervals and reauth triggers per connection. Sessions are now automatically recorded — when a connection enters `NEEDS_AUTH` on the dashboard, a "View last login attempt" link routes directly to the session replay, and /auth rows now show a re-auth capability chip. Also, broader SSO and OAuth provider coverage, support for Google's two-step mobile prompt flow, per-connection post-login wait configuration (`post_login.wait_ms`), automatic SSO provider brand icons in auth dialogs, MFA alternatives displayed on the external action waiting screen, and a post-login browser refresh before the profile snapshot is captured for cleaner saved sessions.
- Extended `proxy.check()` with an optional `url` parameter for testing reachability against a specific target domain before assigning the proxy. This is useful for catching proxies that pass generic health checks but are blocked on your target site.
- End of life'd persistent browsers. If you were using persistence, we suggest [`timeout_seconds`](/browsers/termination) with [Profiles](/auth/profiles).
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@cursor cursor Bot May 21, 2026

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New documentation references deprecated persistent browsers feature

Low Severity

This new changelog entry introduces a reference to "persistent browsers," which falls under the project rule that flags any new documentation mentioning "persistent sessions" (the rule explicitly lists "persistent browser sessions" as an example). While the intent here is to announce the EOL of the feature, the rule states these references in new documentation are to be removed or omitted. The migration guidance could be rephrased to avoid naming the deprecated concept directly.

Fix in Cursor Fix in Web

Triggered by learned rule: Flag references to persistent sessions (deprecated feature)

Reviewed by Cursor Bugbot for commit 9ce6754. Configure here.


## Documentation updates

- Added a new [hCaptcha](/browsers/bot-detection/hcaptcha) page documenting beta support for hCaptcha solving.
- Refreshed [managed auth](/auth/overview) documentation for May 2026: new dedicated [connection lifecycle](/auth/connection-lifecycle) page covering health checks and re-authentication, a shared [connection configuration](/auth/configuration) reference, documented `success_url` / `error_url` query parameters for the [hosted UI](/auth/hosted-ui), [`start_url`](/browsers/create-a-browser) references across browser and pool docs, a reorganized sidebar, and new FAQ entries for short-session reauth and multi-step login forms.
- Clarified that managed residential proxy IPs are stable within a session but are not guaranteed to persist across sessions.
- Updated the [Yutori integration guide](/integrations/computer-use/yutori) to Navigator n1.5.
- Clarified that profile updates do not propagate to idle browser pool instances — pools must be recycled for profile changes to take effect.
</Update>

<Update label="May 8" tags={["Product", "Docs"]}>
## Product updates

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