Story
claude_code_releases · Oct 21, 2026 · release
Source brief
claude-code v2.1.307
github.comOct 21, 2026
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Release highlights
- Added /claude-api api-version to move Claude API code to API version 2026-10-21
- Added the claude_code.safety_event OpenTelemetry event for each tool call a permission rule, auto mode, a safety check, a hook or the sandbox stopped, prompt...
- Fixed requests failing with a model-not-found error when CLAUDE_CODE_DISABLE_1M_CONTEXT is set and the model is an alias with the [1m] suffix, such as opus[1m]
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agentclaude code