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Sweep 22 Oct 2026 · 04:32Z Build v2.1.308 527 read Stable v2.1.308 Latest v2.1.308 Next v2.1.308 Feeds RSS JSON llms.txt llms-full.txt Unofficial
HomeDocsClaude Code CLI 14 Oct 2026
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Nearest release: v2.1.299, published 2 hours before upstream edited the page. Shown because the two are within 24 hours of each other. Nothing here says the release caused the edit.

Upstream edited this page at 14 Oct 2026 02:36 UTC, give or take a minute or two: the time comes from Anthropic’s own sitemap rather than from a commit. This site recorded the change at 14 Oct 2026 02:37 UTC.

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First seen 21 Aug 2026 this site's first read of the page
Recorded edits143to this page, all time

The whole hunk

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13661366 * `true`: sessions start with ultracode on when dynamic workflows are enabled for you and your model supports `xhigh`
13671367 * `false`: sessions start with ultracode off
13681368* **Default**: unset, so ultracode is off
1369* **Per-session overrides**: `/effort ultracode` turns ultracode on for one session without this key, and `/effort ultracode off` turns it off for one session when this key is `true`. The `--effort ultracode` flag also turns it on for one session, at `xhigh` effort, and requires Claude Code v2.1.203 or later
1369* **Per-session overrides**: `/effort ultracode` turns ultracode on for one session without this key, and `/effort ultracode off` turns it off for one session when this key is `true`. The `--effort ultracode` flag also turns it on for one session, at `xhigh` effort
13701370 
13711371```json settings.json theme={null}
13721372{
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40624062When you set it to `true`, Claude Code changes which hooks and hook-like commands load:
40634063 
40644064* **Managed and SDK hooks run**: hooks from managed settings and hooks the [Agent SDK](/docs/en/agent-sdk/overview) registers in process
4065* **Force-enabled plugin hooks run**: hooks from plugins your managed settings force-enable through [`enabledPlugins`](#enabledplugins). Claude Code matches on the full `plugin@marketplace` ID, so a plugin with the same name from a different marketplace stays blocked. This lets you distribute vetted hooks through an organization marketplac
4065* **Force-enabled plugin hooks run**: hooks from plugins your managed settings force-enable through [`enabledPlugins`](#enabledplugins). Claude Code matches on the full `plugin@marketplace` ID, so a plugin with the same name from a different marketplace stays blocked. This lets you distribute vetted hooks through an organization marketplace while blocking everything else. A [mod](/d
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