Claude Code 2.1.0 is officially out! claude update to get it We shipped: – Shift+enter for newlines, w/ zero setup
– Add hooks directly to agents & skills frontmatter
– Skills: forked context, hot reload, custom agent support, invoke with /
– Agents no longer stop when you deny
@bcherny
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Claude Code 2.1.0 Released: New Agent Features and Skills
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Automatic worktrees toggle local remote sessions development
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Automatic worktrees, easily toggle between local & remote sessions, much more
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Meta Engineer Joins Anthropic: Journey Through Tech Leadership
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Thanks for having me on Ryan! I had a blast talking about my journey from startups, to VC, to building product at Facebook and Instagram, to being responsible for code quality for all of Meta’s codebases, to joining Anthropic.
— Boris Cherny (@bcherny) 15 décembre 2025
This sequence of events is the reason Claude Code… https://t.co/XOxVH0rOWxThanks for having me on Ryan! I had a blast talking about my journey from startups, to VC, to building product at Facebook and Instagram, to being responsible for code quality for all of Meta’s codebases, to joining Anthropic. This sequence of events is the reason Claude Code
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Claude Converts Speech to Rust Code with Whisper
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Yeah: claude -p "Convert to Rust: $(whisper audio.mp3 -f txt)" | say
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Jared Sumner Collaboration Announcement with Bun Team
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Super excited to work even more closely with @jarredsumner and the Bun team
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Summarization as prompt injection risk mitigation strategy
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Summarization is one thing we do to reduce prompt injection risk. Are you running into specific issues with it?
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Claude Code WebFetch Tool Adds Markdown Accept Header
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In the next version of Claude Code, Claude’s WebFetch tool automatically adds Accept: “text/markdown, *” to requests which helps docs sites provide token-efficient docs
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Guest Lecture at Stanford CS 146S on AI Topics
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Had a blast guest lecturing at Stanford CS 146S today. Thanks for the invite @mihail_eric
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Claude Code Shows Tool Call Errors for Better Debugging
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Tool call errors happen with every model provider — in claude code we show errors while others hide them, so it may feel like they are happening more. The reason we show them is claude code is the same tool we use internally at Anthropic, and seeing the errors helps us debug
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Sonnet 4.5 Recommended for Superior Coding Intelligence
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We recommend sonnet 4.5 for everything — you get more rate limits with it, and it’s more intelligent for coding tasks. Re:hostile, specific examples would be helpful to debug