Code Review changedcode-review
Nearest release: v2.1.288, published 12 hours after 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 2 Oct 2026 06:08 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 2 Oct 2026 06:37 UTC.
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346346The review runs in the background by default; before v2.1.218, it ran inside your conversation. It runs in the foreground instead in cases like these:
347347
348348* You run `/code-review` again while an earlier review is still in progress
349* You run it in non-interactive mode, with the `-p` flag or the Agent SDK; Claude Code waits for the review and includes the findings in the response, except for `ultra`, which [launches the cloud review without waiting](#escalate-to-ultrareview)
349* You run it in non-interactive mode, with the `-p` flag or the Agent SDK; Claude Code waits for the review and includes the findings in the response, except for `ultra`, which [doesn't wait for the cloud review](/docs/en/ultrareview#run-ultrareview-non-interactively)
350350* You set [`CLAUDE_CODE_DISABLE_BACKGROUND_TASKS`](/docs/en/env-vars) to `1`, which also turns off every other background task feature
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352352### Let Claude start the review
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