Claude Code v2.1.276

Released Sep 18, 2026 (27 days ago).

60 issues reference this build
47 still open
13 resolved (22%)

"References this build" means the issue body mentions running 2.1.276 (from the bug-report template). It reflects report volume, not a proven defect count — an issue may mention a version without being caused by it. First-party data from the anthropics/claude-code tracker.

Top issues reported on v2.1.276

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Changelog

What's changed

  • Fixed every request failing with 400 … Input tag 'advisor_20260301' when ANTHROPIC_BASE_URL points at a proxy or gateway (2.1.275 regression)