Anthropic updates Claude Code and SDKs with new features and fixes
ByPulseAugur Editorial·[67 sources]·
Anthropic has released updates for its Claude Code and SDKs, introducing new features and bug fixes. Claude Code v2.1.288 includes enhancements like a built-in `gh api` for cloud sessions, improved prompt recovery, and a screen reader mode. The Anthropic SDKs for Python (v1.11.0) and TypeScript (v0.131.0) have also seen updates, with Python's release adding endpoints for Claude Enterprise analytics, spend limits, and RBAC groups, while TypeScript's v0.130.0 introduced similar features and MCP tunnels beta.
AI
IMPACT
These updates enhance developer tools and SDKs, potentially improving the integration and usability of Anthropic's AI models.
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Software release notes for developer tools.
<h2>What's changed</h2> <ul> <li>Fixed <code>prompt</code> and <code>agent</code> hooks written as instructions (such as "Block commands that...") allowing what they should block</li> <li>Improved how <code>prompt</code> hooks on Stop and SubagentStop written as instructions (suc…
<h3>Chores</h3> <ul> <li><strong>ci:</strong> check that pull requests update the changelog</li> <li><strong>docs:</strong> note that listing Claude Console spend limits is in early access</li> <li><strong>internal:</strong> match the package version in uv.lock</li> </ul>
<h3>Bug Fixes</h3> <ul> <li><strong>client:</strong> throw before sending a request with an empty path parameter</li> </ul> <h3>Chores</h3> <ul> <li><strong>ci:</strong> check that pull requests update the changelog</li> <li><strong>ci:</strong> publish every package from the pub…
<p>mlx: drop carried metal residency patch now that it is upstream (<a class="issue-link js-issue-link" href="https://github.com/ollama/ollama/pull/18854">#18854</a>)</p>
<h2>What's changed</h2> <ul> <li>Added Claude Haiku 5.5 (<code>claude-haiku-5-5</code>), now the default Haiku model on the Anthropic API — 1M context, $0.10/$0.50 per Mtok ($0.50/$2.50 for prompts over 100K)</li> <li>Added <code>agentType</code> to the <code>subagentStatusLine</…
<h2>What's changed</h2> <ul> <li>Added <code>--marketplace <source></code> to <code>claude plugin install</code>: adds the marketplace if needed, under the same policy checks as <code>claude plugin marketplace add</code>, then installs the plugin from it</li> <li>Added an <…
<h2>What's Changed</h2> <p><strong>Models run on MLX on Apple Silicon by default</strong></p> <p>In this release, on Apple Silicon devices, model architectures supported by the MLX runtime will automatically run on MLX.</p> <div class="snippet-clipboard-content notranslate positi…
<h2>What's Changed</h2> <p><strong>Models run on MLX on Apple Silicon by default</strong></p> <p>In this release, on Apple Silicon devices, model architectures supported by the MLX runtime will automatically run on MLX.</p> <div class="snippet-clipboard-content notranslate positi…
<h2>What's changed</h2> <ul> <li>Fixed a regression in 2.1.290 where cloud sessions could drop answers to permission prompts</li> <li>Fixed a regression in 2.1.288 where the last messages of a session could be lost when quitting</li> </ul>
<h2>What's Changed</h2> <p><strong>Models run on MLX on Apple Silicon by default</strong></p> <p>In this release, on Apple Silicon devices, model architectures supported by the MLX runtime will automatically run on MLX.</p> <div class="snippet-clipboard-content notranslate positi…
<h2>What's changed</h2> <ul> <li>Added <code>serverToolUses</code> to the result of a mod's <code>turn.step</code> hook: the tool calls the API ran itself (the advisor), each with its id, name, input, start and end</li> <li>Added <code>agentId</code> to the <code>tool.check</code…
<h2>Overview</h2> <p>llama.cpp v0.6.0 introduces the new <code>llama_batch_ext</code> extended batch API (with <code>llama_process</code>) for mixed token/embedding inputs and MTP/deepstack state embeddings, adds support for the GLM-5.3-Flash (GLM5-Next) 320B hybrid model, the Cl…
<h2>What's Changed</h2> <p><strong>Models run on MLX on Apple Silicon by default</strong></p> <p>In this release, on Apple Silicon devices, model architectures supported by the MLX runtime will automatically run on MLX.</p> <div class="snippet-clipboard-content notranslate positi…
<h2>What's Changed</h2> <p><strong>Models run on MLX on Apple Silicon by default</strong></p> <p>In this release, on Apple Silicon devices, model architectures supported by the MLX runtime will automatically run on MLX.</p> <div class="snippet-clipboard-content notranslate positi…
<h2>What's changed</h2> <ul> <li>Fixed a deny or ask rule on a nested part of a compound shell command not holding over a user-installed mod's approval on managed machines</li> <li>Fixed the terminal freezing on short code blocks with many unclosed <code><script></code> tag…
<h2>What's changed</h2> <ul> <li>Added <code>$.ui.selection()</code> for mods: returns the text you last selected in fullscreen mode and, when the selection lies within one transcript row, that row</li> <li>Added a built-in <code>gh api</code> to cloud sessions whose image has no…
<h2>What's Changed</h2> <ul> <li>feat: allow ten web searches per response by <a class="user-mention notranslate" href="https://github.com/ParthSareen">@ParthSareen</a> in <a class="issue-link js-issue-link" href="https://github.com/ollama/ollama/pull/18602">#18602</a></li> <li>M…
<h2>What's Changed</h2> <ul> <li>feat: allow ten web searches per response by <a class="user-mention notranslate" href="https://github.com/ParthSareen">@ParthSareen</a> in <a class="issue-link js-issue-link" href="https://github.com/ollama/ollama/pull/18602">#18602</a></li> <li>M…
<h2>What's changed</h2> <ul> <li>Added Claude Mods: plugins may now modify deeper behavior</li> <li>Added You should know, a built-in mod where a side agent watches your back and flags things you or Claude might miss. Turn it on with <code>/plugin enable cc-plugin-you-should-know…
<h2>What's changed</h2> <ul> <li>Added a count such as "2 of 5" to the permission prompt when several permission requests stack up</li> <li>Added mouse support for the "N more" rows of lists in fullscreen mode: click one to jump to that end of the list, with hover and pressed sta…
<h2>What's Changed</h2> <ul> <li>feat: allow ten web searches per response by <a class="user-mention notranslate" href="https://github.com/ParthSareen">@ParthSareen</a> in <a class="issue-link js-issue-link" href="https://github.com/ollama/ollama/pull/18602">#18602</a></li> <li>M…
<h2>What's changed</h2> <ul> <li>Added <code>CLAUDE_CODE_DISABLE_WEB_FETCH</code> environment variable to turn off the WebFetch tool</li> <li>Added <code>claude --desktop</code> to open the Claude desktop app on the current directory, or on a session with <code>--continue</code> …
<h2>Decision models</h2> <p>Ollama now supports decision models through <code>/v1/systemone</code>, based on <a href="https://typesafe.ai" rel="nofollow">TypeSafe’s Jev API</a>.</p> <p>Decision models return choices, probabilities, and scores instead of text. Use them for tasks s…
<h2>What's Changed</h2> <ul> <li>app: sync macOS update menu and icon at startup by <a class="user-mention notranslate" href="https://github.com/hoyyeva">@hoyyeva</a> in <a class="issue-link js-issue-link" href="https://github.com/ollama/ollama/pull/18622">#18622</a></li> <li>app…
<h2>What's changed</h2> <ul> <li>Added Claude Sonnet 5.5 (<code>claude-sonnet-5-5</code>), now the default Sonnet model on the Anthropic API — 1M context, $2/$10 per Mtok with $0.20/Mtok cache reads</li> <li>Added a "Yes, but ask again next time" answer to auto mode's prompt befo…
<h2>What's changed</h2> <ul> <li>Added <code>x-claude-code-prompt-id</code> to the gateway hint headers so LLM gateways can group the requests that serve one user prompt; opt in with <code>CLAUDE_CODE_GATEWAY_HINT_HEADERS=1</code></li> <li>Added <code>availableModelsMatch</code> …
<h2>What's changed</h2> <ul> <li>Added a <code>maxProseWidth</code> setting that caps the width of Claude's prose in wide terminals while tables and code blocks keep the full width</li> <li>Added a startup notice, and <code>/status</code> and <code>claude doctor</code> entries, l…
<h2>What's changed</h2> <ul> <li>Added Claude apps gateway support for newer Claude Desktop keys in <code>desktop</code> policy blocks, including <code>blockReadsOutsideWorkingDirectories</code> and <code>disableBypassPermissionsMode</code></li> <li>Added <code>assume_role</code>…
<h2>What's changed</h2> <ul> <li>Added Claude Opus 5.5 (<code>claude-opus-5-5</code>), now the default Opus model — 1M context, $4/$20 per Mtok with $0.20/Mtok cache reads</li> <li>Added mouse support to more lists in fullscreen mode: the wheel scrolls the <code>/skills</code> li…
Claude Agent SDK (Python) — Releases
TIER_1(SK)·github-actions[bot]·
<h3>Internal/Other Changes</h3> <ul> <li>Updated bundled Claude CLI to version 2.1.292</li> <li>CI: security hardening for GitHub Actions workflows that call Claude — egress-firewall runner, network allow list, auto permission mode, and a check workflow to enforce them (<a class=…
Claude Agent SDK (Python) — Releases
TIER_1(SK)·github-actions[bot]·
<h3>Internal/Other Changes</h3> <ul> <li>Updated bundled Claude CLI to version 2.1.286</li> <li>CI: pinned the model for issue triage to fix failures caused by the CLI's new default model (<a class="issue-link js-issue-link" href="https://github.com/anthropics/claude-agent-sdk-py…
Claude Agent SDK (Python) — Releases
TIER_1(SK)·github-actions[bot]·
<h3>Bug Fixes</h3> <ul> <li><strong>Fixed follow-up turns failing after background subagents</strong>: When using <code>query()</code> with hooks, <code>can_use_tool</code>, or SDK MCP servers, stdin was closed too early if a subagent finished just before the turn's result arrive…
Claude Agent SDK (Python) — Releases
TIER_1(SK)·github-actions[bot]·
<h3>Internal/Other Changes</h3> <ul> <li>Updated bundled Claude CLI to version 2.1.281</li> <li>Pinned default model for e2e tests to <code>claude-opus-5</code> to work around CI failures with the CLI's new default model (<a class="issue-link js-issue-link" href="https://github.c…
Claude Agent SDK (Python) — Releases
TIER_1(SK)·github-actions[bot]·
<h3>New Features</h3> <ul> <li><strong><code>verbatim_prompts</code> option</strong>: Added <code>ClaudeAgentOptions.verbatim_prompts</code> (default <code>False</code>). When <code>True</code>, user messages are delivered to the CLI exactly as written — no <code>@path</code> fil…
