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Sweep 22 Oct 2026 · 21:04Z Build v2.1.309 528 read Stable v2.1.308 Latest v2.1.309 Next v2.1.309 Feeds RSS JSON llms.txt llms-full.txt Unofficial
HomeDocsClaude Code CLI 29 Aug 2026
One change · claude-code

All settings changedsettings-reference

Nearest release: v2.1.251, published 8 hours before this site recorded the change. Shown because the two are within 24 hours of each other. Nothing here says the release caused the edit.

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First seen 21 Aug 2026 this site's first read of the page
Recorded edits149to this page, all time

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832832Turn [extended thinking](/docs/en/model-config#extended-thinking) off for every session by setting this to `false`. Thinking is on by default, so `true` changes nothing. Most people set this through `/config` rather than by editing the file.
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834On models that always think, such as Fable 5, `false` has no effect. On [third-party providers](/docs/en/third-party-integrations) Claude Code omits the `thinking` parameter instead of turning thinking off, so adaptive-reasoning models may still think.
834On models that always think, such as Fable 5, `false` has no effect. On [third-party providers](/docs/en/third-party-integrations) Claude Code omits the `thinking` parameter instead of turning thinking off, so adaptive-reasoning models may still think. With thinking turned off on the Anthropic API, Claude Code sends effort `high` instead of a higher level to models it knows [don't accept that combination](/docs/en/errors#effort-isnt-available-with-thinking-turned-off), such as Opus 5.
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836836* **Scope**: [`Any file`](#scopes)
837837* **Type**: Boolean
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34393439* **Scope**: [`Any file`](#scopes)
34403440* **Type**: Boolean
3441 * `true`: Claude Code accelerates mouse-wheel scroll speed during fast scrolls
3442 * `false`: Claude Code scrolls at a constant rate per wheel notch
3443* **Default**: `true`
3444 
3445```json settings.json theme={null}
3446{
3447 "wheelScrollAccelerationEnabled"
3441 * `t
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