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33> Opus 5 becomes the default Opus model, Claude Code Desktop adds an iOS Simulator pane, and the Claude Security plugin scans your code for vulnerabilities.
44
55<div className="digest-meta">
6 <span>Releases <a href="/docs/docs/en/changelog#2-1-214">v2.1.214 → v2.1.219</a></span>
6 <span>Releases <a href="/docs/en/changelog#2-1-214">v2.1.214 → v2.1.219</a></span>
77 <span>3 features · July 20–24</span>
88</div>
99
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1313 <span className="digest-feature-pill">new model</span>
1414 </div>
1515
16 <p className="digest-feature-lede">Claude Opus 5 is the new default Opus model in Claude Code. It's the default on Max, Team Premium, Enterprise pay-as-you-go, and the Anthropic API, and on Claude Platform on AWS, Amazon Bedrock, and Google Cloud's Agent Platform. On the Anthropic API and on Max, Team, and Enterprise plans, Opus 5 runs with a <a href="/docs/docs/en/model-config#extended-context">1M-token context window</a>; on Amazon Bedrock and Google Cloud's Agent Platform, select the 1M model variant. Fast mode moves to Opus 5 at \$10/\$50 per MTok. Requires v2.1.219 or later.</p>
16 <p className="digest-feature-lede">Claude Opus 5 is the new default Opus model in Claude Code. It's the default on Max, Team Premium, Enterprise pay-as-you-go, and the Anthropic API, and on Claude Platform on AWS, Amazon Bedrock, and Google Cloud's Agent Platform. On the Anthropic API and on Max, Team, and Enterprise plans, Opus 5 runs with a <a href="/docs/en/model-config#extended-context">1M-token context window</a>; on Amazon Bedrock and Google Cloud's Agent Platform, select the 1M model variant. Fast mode moves to Opus 5 at \$10/\$50 per MTok. Requires v2.1.219 or later.</p>
1717
1818 <Frame>
1919 <video autoPlay muted loop playsInline className="w-full" src="https://mintcdn.com/claude-code/N3yEaTYPXMXFrF6k/images/whats-new/opus-5.mp4?fit=max&auto=format&n=N3yEaTYPXMXFrF6k&q=85&s=8536b1cb3180e539008f39930403e47b" data-path="images/whats-new/opus-5.mp4" />
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2525 > /model claude-opus-5
2626 ```
2727
28 <a className="digest-feature-link" href="/docs/docs/en/model-config#available-models">Model configuration</a>
28 <a className="digest-feature-link" href="/docs/en/model-config#available-models">Model configuration</a>
2929</div>
3030
3131<div className="digest-feature">
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4646 > Build the app and run it in the simulator to check the onboarding flow.
4747 ```
4848
49 <a className="digest-feature-link" href="/docs/docs/en/desktop-ios-simulator#run-your-app-in-the-simulator">Test iOS apps in the simulator</a>
49 <a className="digest-feature-link" href="/docs/en/desktop-ios-simulator#run-your-app-in-the-simulator">Test iOS apps in the simulator</a>
5050</div>
5151
5252<div className="digest-feature">
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6363 > /plugin install claude-security@claude-plugins-official
6464 ```
6565
66 <a className="digest-feature-link" href="/docs/docs/en/claude-security#scan-and-fix-your-codebase">Scan and fix your codebase</a>
66 <a className="digest-feature-link" href="/docs/en/claude-security#scan-and-fix-your-codebase">Scan and fix your codebase</a>
6767</div>
6868
6969<div className="digest-wins">
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7070 <p className="digest-wins-title">Other wins</p>
7171
7272 <div className="digest-wins-grid">
73 <div><a href="/docs/docs/en/code-review#review-a-diff-locally"><code>/code-review</code></a> now runs as a background subagent with its own context window, so review work stays out of your conversation and the findings arrive when it completes</div>
73 <div><a href="/docs/en/code-review#review-a-diff-locally"><code>/code-review</code></a> now runs as a background subagent with its own context window, so review work stays out of your conversation and the findings arrive when it completes</div>
7474 <div><code>/verify</code>, <code>/code-review</code>, and <code>/deep-research</code> run only when you invoke them; Claude no longer launches them on its own</div>
75 <div><a href="/docs/docs/en/interactive-mode#emoji-shortcodes">Emoji shortcodes</a> autocomplete in the prompt input: type <code>:heart:</code> to insert an emoji, or two or more characters after <code>:</code> for suggestions; turn it off with <code>emojiCompletionEnabled</code></div>
76 <div>Skills with <code>context: fork</code> <a href="/docs/docs/en/skills#run-skills-in-a-subagent">run in the background</a> by default, and <code>background: false</code> in the skill's frontmatter waits for the result in the same turn</div>
77 <div>A session runs up to 20 subagents concurrently by default; change the <a href="/docs/docs/en/sub-agents#concurrent-subagent-limit">limit</a> with <code>CLAUDE\_CODE\_MAX\_CONCURRENT\_SUBAGENTS</code></div>
75 <div><a href="/docs/en/interactive-mode#emoji-shortcodes">Emoji shortcodes</a> autocomplete in the prompt input: type <code>:heart:</code> to insert an emoji, or two or more characters after <code>:</code> for suggestions; turn it off with <code>emojiCompletionEnabled</code></div>
76 <div>Skills with <code>context: fork</code> <a href="/docs/en/skills#run-skills-in-a-subagent">run in the background</a> by default, and <code>background: false</code> in the skill's frontmatter waits for the result in the same turn</div>
77 <div>A session runs up to 20 subagents concurrently by default; change the <a href="/docs/en/sub-agents#concurrent-subagent-limit">limit</a> with <code>CLAUDE\_CODE\_MAX\_CONCURRENT\_SUBAGENTS</code></div>
7878 <div>`--max-budget-usd` now enforces the cap on subagents: once spend reaches it, Claude can't start more and running background subagents stop</div>
79 <div>New <a href="/docs/docs/en/sandboxing#disable-filesystem-isolation"><code>sandbox.filesystem.disabled</code></a> setting skips filesystem isolation while keeping network egress control</div>
79 <div>New <a href="/docs/en/sandboxing#disable-filesystem-isolation"><code>sandbox.filesystem.disabled</code></a> setting skips filesystem isolation while keeping network egress control</div>
8080 <div>In auto mode, the checks for dangerous <code>rm</code> commands, background jobs, and suspicious Windows paths no longer open permission dialogs; the auto-mode classifier adjudicates them instead</div>
8181 <div>Bash permission checks fail closed on more shell forms, including file-descriptor redirects, Zsh variable subscripts in <code>\[\[ ]]</code> comparisons, <code>help</code> and <code>man</code> invocations that could run unsafe options, and commands over 10,000 characters</div>
82 <div><a href="/docs/docs/en/fast-mode">Fast mode</a> no longer supports Opus 4.7: <code>/fast</code> now applies to Opus 5 and Opus 4.8</div>
82 <div><a href="/docs/en/fast-mode">Fast mode</a> no longer supports Opus 4.7: <code>/fast</code> now applies to Opus 5 and Opus 4.8</div>
8383 <div>Long-running tool calls emit a periodic progress heartbeat instead of going silent</div>
8484 </div>
8585</div>