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658 this month · 169 companies

Claude Code 2.1.295

UpdateyesterdayUnverifiedAdded Oct 9, 2026

- Added onFailure: "block" for command and HTTP hooks: a hook that can't start, times out, or exits with an unexpected code blocks the action instead of letting it through Added Program Status Protocol (OSC 7501) support: terminals that implement it can show whether Claude Code is working, waiting on you, or done Added quoted text to the /copy picker, so a...

Topics: LLMs, Streaming, Coding agents

Anthropic's release notes

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Updateunverified

Claude Code 2.1.294

- Fixed prompt and agent hooks written as instructions (such as "Block commands that...") allowing what they should block Improved how prompt hooks on Stop and SubagentStop written as instructions (such as "Carry on if the build is broken") are judged, so Claude is less likely to stop early

Updateunverified

Claude Code 2.1.293

- Added Claude Haiku 5.5 (claude-haiku-5-5), 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) Added agentType to the subagentStatusLine payload, so scripts can tell custom subagent types apart Added isDeferred to $.tool.register for mods: false lists the tool's schema in the prompt from...

Updateunverified

Claude Code 2.1.291

- Fixed a regression in 2.1.290 where cloud sessions could drop answers to permission prompts Fixed a regression in 2.1.288 where the last messages of a session could be lost when quitting

Updateunverified

Claude Code 2.1.292

- Added --marketplace to claude plugin install: adds the marketplace if needed, under the same policy checks as claude plugin marketplace add, then installs the plugin from it Added an effort parameter to the Agent tool, so Claude runs a sub-agent at the effort level you ask for Added CLAUDE_CODE_OVERLOADED_RETRY_BASE_DELAY_MS environment variable to set a...

Updateunverified

Claude Code 2.1.290

- Added serverToolUses to the result of a mod's turn.step hook: the tool calls the API ran itself (the advisor), each with its id, name, input, start and end Added agentId to the tool.check event of plugin hooks, so a hook can tell a subagent's permission check from the main session's Added ceiling to the question and verdict a mod's tool.check hook reads...

Updateunverified

Claude Code 2.1.289

- 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 Fixed the terminal freezing on short code blocks with many unclosed tags or deeply nested ${ substitutions Fixed Read deny rules not applying to files @-mentioned, changed, or selected in the IDE through a symlink...

Updateunverified

Claude Code 2.1.288

- Added $.ui.selection() for mods: returns the text you last selected in fullscreen mode and, when the selection lies within one transcript row, that row Added a built-in gh api to cloud sessions whose image has no GitHub CLI, and fixed the built-in sending control characters from file names, jq filters or GitHub errors to the terminal Added recovery for a...

Updateunverified

Claude Code 2.1.287

- Added Claude Mods: plugins may now modify deeper behavior Added You should know, a built-in mod where a side agent watches your back and flags things you or Claude might miss.

Also shipped on Oct 8, 2026

Anthropic in October 2026
GAunverified

Performance Risks Inbox is now generally available

Performance Risks Inbox is GA Performance Risks Inbox is now generally available (GA). It finds the performance anti-patterns that quietly slow your application down, such as N+1 queries and inefficient database calls, and groups them in one place so your team can fix them before they become incidents.

Betaunverified

CLI v0.9.0 | CLI, Beta

CLI v0.9.0 Manage cloud tasks with cr code , including interactive messages, side questions, plans, and delivery. Complete shell commands and read richer review JSON . Verify signed Linux releases and recover more reliably from login and update failures. Run cr update . See cloud tasks and upgrade details .