Week 26 · June 22–26, 2026 changedwhats-new/2026-w26
Nearest release: v2.1.260, published an hour 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 4 Sep 2026 00:23 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 22 Oct 2026 18:07 UTC.
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33> Authenticate MCP servers from your shell with claude mcp login, get a response to shell mode command output with the ! prefix, and resume a conversation from before /clear with /rewind.
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5Releases [v2.1.185 → v2.1.193](/docs/en/changelog#2-1-185)
5Releases [v2.1.185 → v2.1.193](/docs/en/changelog.md#2-1-185)
662 features · June 22–26
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88Authenticate MCP servers from the CLI
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1616claude mcp login sentry
1717```
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19[Authenticate from the command line](/docs/en/mcp#authenticate-from-the-command-line)
19[Authenticate from the command line](/docs/en/mcp.md#authenticate-from-the-command-line)
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2121Shell mode responds to command output
2222v2.1.186
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2929> ! npm test
3030```
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32[Shell mode with the ! prefix](/docs/en/interactive-mode#shell-mode-with-prefix)
32[Shell mode with the ! prefix](/docs/en/interactive-mode.md#shell-mode-with-prefix)
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3434Other wins
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3636`/rewind` can now resume a conversation from before `/clear` was runNew `sandbox.credentials` setting blocks sandboxed commands from reading credential files and secret environment variablesOrg-configured model restrictions now apply to the model picker, `--model`, `/model`, and `ANTHROPIC_MODEL`, with a "restricted by your organization's settings" message when a restricted model is selectedNew `autoMode.classifyAllShell` setting routes all Bash and PowerShell commands through the auto-mode classifier, and denial reasons now show in the transcript, the denial toast, and `/permissions`New `claude_code.assistant_response` OpenTelemetry log event carries the model's response text; deployments that already log prompt content start receiving it on upgrade, so set `OTEL_LOG_ASSISTANT_RESPONSES=0` to keep prompts onlyBackground subagents now surface permission prompts in the main session instead of auto-denying; the dialog shows which agent is asking, and Esc denies only that tool`/install-github-app` can now install only the GitHub App and skip the Actions workflow and secret stepsHosts you allow in the sandbox network permission dialog are remembered for the rest of the session instead of re-prompting on every connectionStreaming responses use about 37% less CPU, and long-session memory growth from the terminal output cache is reduced`/review <pr>` now uses the same review engine as `/code-review medium`Bash mode `!` commands get live file path autocomplete
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38[Full changelog for v2.1.185–v2.1.193 →](/docs/en/changelog#2-1-185)
38[Full changelog for v2.1.185–v2.1.193 →](/docs/en/changelog.md#2-1-185)
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