The release notes are long. Four groups of changes bear on anyone running Claude Code without a person at the keyboard.
In the News: November 12, 2026 (Evening)
Claude Code 2.1.323 assumes a 1M context window for model IDs it does not recognize, which can break sessions on other vendors' smaller models.
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Claude Code 2.1.323 assumes a 1M context window for unrecognized models and adds an experimental Code Mode
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Anthropic opens a private beta of Claude Managed Agents hosted entirely by the customer
Managed Agents is Anthropic's set of APIs for building and deploying autonomous agents. It supplies "the agent harness, sandboxes, credential handling, and session history".
Your Software Factory: Dream Factory or Treadmill?
November 11, 2026 · Debois sorts a factory's loops by what each run leaves behind. A treadmill loop gets today's work done, a learning loop makes the next round easier, and a dream loop tries something the team keeps postponing. The piece is an argument built on other vendors' write-ups, with no measurements of its own. His test for adding a loop: "ask what will be different after it runs."