Week 15 · April 6–10, 2026 changedwhats-new/2026-w15
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 23 Oct 2026 19:07 UTC.
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33> Ultraplan cloud planning, the Monitor tool with self-pacing /loop, /team-onboarding for packaging your setup, and /autofix-pr from your terminal.
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5Releases [v2.1.92 → v2.1.101](/docs/en/changelog.md#2-1-92)
5Releases [v2.1.92 → v2.1.101](https://code.claude.com/docs/en/changelog.md#2-1-92)
664 features · April 6–10
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88Ultraplan
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1818/ultraplan migrate the auth service from sessions to JWTs
1919```
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21[Ultraplan guide](/docs/en/ultraplan)
21[Ultraplan guide](https://code.claude.com/docs/en/ultraplan)
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2323Monitor tool
2424v2.1.98
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3939/loop check CI on my PR
4040```
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42[Monitor tool reference](/docs/en/tools-reference.md#monitor-tool)
42[Monitor tool reference](https://code.claude.com/docs/en/tools-reference.md#monitor-tool)
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4444/autofix-pr
4545CLI
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5454/autofix-pr
5555```
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57[Auto-fix pull requests](/docs/en/claude-code-on-the-web.md#auto-fix-pull-requests)
57[Auto-fix pull requests](https://code.claude.com/docs/en/claude-code-on-the-web.md#auto-fix-pull-requests)
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5959/team-onboarding
6060v2.1.101
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6767/team-onboarding
6868```
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70[Commands reference](/docs/en/commands.md)
70[Commands reference](https://code.claude.com/docs/en/commands.md)
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7272Other wins
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74Focus view: press `Ctrl+O` in flicker-free mode to collapse the view to your last prompt, a one-line tool summary with diffstats, and Claude's final responseGuided [Amazon Bedrock](/docs/en/amazon-bedrock.md) and [Google Cloud's Agent Platform](/docs/en/google-vertex-ai.md) setup wizards on the login screen: pick "3rd-party platform" for step-by-step auth, region, credential check, and model pinning`/agents` gets a tabbed layout: a Running tab shows live subagents with a `● N running` count, plus Run agent and View running instance actions in the Library tabDefault effort level is now `high` for API-key, Amazon Bedrock, Google Cloud's Agent Platform, Microsoft Foundry, Team, and Enterprise users (control with `/effort`)`/cost` shows a per-model and cache-hit breakdown for subscription users`/release-notes` is now an interactive version pickerStatus line: new `refreshInterval` setting re-runs the command every N seconds, and `workspace.git_worktree` in the JSON input`CLAUDE_CODE_PERFORCE_MODE`: Edit/Write fail on read-only files with a `p4 edit` hint instead of silently overwritingOS CA certificate store is now trusted by default, so enterprise TLS proxies work without extra setup (`CLAUDE_CODE_CERT_STORE=bundled` to opt out)Amazon Bedrock powered by Mantle: set `CLAUDE_CODE_USE_MANTLE=1`Hardened Bash tool permissions: backslash-escaped flags, env-var prefixes, `/dev/tcp` redirects, and compound commands now prompt correctly`UserPromptSubmit` hooks can set the session title via `hookSpecificOutput.sessionTitle`
74Focus view: press `Ctrl+O` in flicker-free mode to collapse the view to your last prompt, a one-line tool summary with diffstats, and Claude's final responseGuided [Amazon Bedrock](https://code.claude.com/docs/en/amazon-bedrock.md) and [Google Cloud's Agent Platform](https://code.claude.com/docs/en/google-vertex-ai.md) setup wizards on the login screen: pick "3rd-party platform" for step-by-step auth, region, credential check, and model pinning`/agents` gets a tabbed layout: a Running tab shows live subagents with a `● N running` count, plus Run agent and View running instance actions in the Library tabDefault effort level is now `high` for API-key, Amazon Bedrock, Google Cloud's Agent Platform, Microsoft Foundry, Team, and Enterprise users (control with `/effort`)`/cost` shows a per-model and cache-hit breakdown for subscription users`/release-notes` is now an interactive version pickerStatus line: new `refreshInterval` setting re-runs the command every N seconds, and `workspace.git_worktree` in the JSON input`CLAUDE_CODE_PERFORCE_MODE`: Edit/Write fail on read-only files with a `p4 edit` hint instead of silently overwritingOS CA certificate store is now trusted by default, so enterprise TLS proxies work without extra setup (`CLAUDE_CODE_CERT_STORE=bundled` to opt out)Amazon Bedrock powered by Mantle: set `CLAUDE_CODE_USE_MANTLE=1`Hardened Bash tool permissions: backslash-escaped flags, env-var prefixes, `/dev/tcp` redirects, and compound commands now prompt correctly`UserPromptSubmit` hooks can set the session title via `hookSpecificOutput.sessionTitle`
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76[Full changelog for v2.1.92–v2.1.101 →](/docs/en/changelog.md#2-1-92)
76[Full changelog for v2.1.92–v2.1.101 →](https://code.claude.com/docs/en/changelog.md#2-1-92)
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