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claude_code_releases · Oct 5, 2026 · release
Source brief
claude-code v2.1.290
github.comOct 5, 2026
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Release highlights
- 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, naming the approval an organization requires for a tool
Feed lens
agentclaude code