image: Claude Code 2.1.280, pinned and installed onto the volume when it holds another - #247
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… it holds another Claude Opus 5.5 needs Claude Code 2.1.280 or newer (the API refuses an older CLI), and the entrypoint installed the CLI once onto the data volume and never touched it again, so an instance from last month would never gain the model. The CLI is now installed at the release's pinned version and moved to it when the volume holds another; CLAUDE_CODE_VERSION overrides the pin. Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
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richard-epsilla
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Sep 22, 2026
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Pins the CLI the model needs and moves an old volume to it; checks green.
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Claude Opus 5.5 needs Claude Code 2.1.280 or newer (Anthropic's API refuses an older CLI with "version 2.1.280 or newer is required"), and the entrypoint installed the CLI once onto the data volume and never touched it again, so an instance from last month would never gain the model. The CLI is now installed at the release's pinned version and moved to it when the volume holds another;
CLAUDE_CODE_VERSIONoverrides the pin.Seen on the hosted service while verifying Opus 5.5 end to end; the hosted runner image pins the same version.
Patch release: v0.23.7.
🤖 Generated with Claude Code