Shipped. Daily — May 30, 2026

One release in the window: Auto mode reached Bedrock, Vertex, and Foundry. The rest of the Anthropic ecosystem held still.

Release Log

Code

2026-05-30 CODE

Claude Code v2.1.158

Auto mode is now available on Bedrock, Vertex, and Foundry for Opus 4.7 and Opus 4.8. Opt in by setting CLAUDE_CODE_ENABLE_AUTO_MODE=1. Previously, Auto mode was limited to direct API subscribers and Claude.ai plan holders. Enterprise cloud customers running Claude through AWS Bedrock, Google Cloud Vertex AI, or Anthropic Foundry can now enable it without migrating off their existing platform.

Quiet on the Wire

The 24-hour window produced one CODE release. Everything else held still.

The Opus 4.8 launch, the $65B Series H at $965B, and Claude Code v2.1.157 (released May 29 at 20:20 UTC) are in the 2026-05-28 and 2026-05-29 sweeps.
Mythos: still no general availability. Anthropic said “coming weeks” on Thursday alongside the Series H. No update in this window.
Claude Apps: no release notes in the window.
API: no documented changes beyond what shipped May 28 with Opus 4.8.
Research: no new publications.
System prompts: no changes logged.
docs.anthropic.com returned HTTP 403 throughout this sweep.

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