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On October 24, 2026, Claude Code released v2.1.310, adding the Monitor tool and plugin monitoring. According to the GitHub Releases notes for Claude Code, this monitoring capability covers Bedrock, Vertex, and Foundry, is also available when telemetry or non-essential traffic is disabled, and prevents prolonged foreground sleep. The same version also fixed request failures caused by some gateways rejecting the effort-2025-11-24 beta value or mid-conversation system messages; Claude Code now strips these and retries. In addition, it fixed an issue where background cleanup mistakenly deleted recent files (such as pasted images) when cleanupPeriodDays was set to an extremely large value. The version has currently been released, and there are no subsequent developments yet.
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Claude Code v2.1.310 ReleasedDevelopments
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- Source:Claude Code：GitHub Releases
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Oct 24
Claude Code：GitHub ReleasesFirst-party
Claude Code v2.1.310 Released
Claude Code v2.1.310 adds the Monitor tool and plugin monitoring, covering Bedrock, Vertex, and Foundry, and is also available when telemetry or non-essential traffic is disabled; long foreground sleep is also prevented. This version fixes request failures caused by some gateways rejecting the effort-2025-11-24 beta value or mid-conversation system messages; Claude Code now strips these out and retries. It also fixes an issue where background cleanup mistakenly deleted recent files (such as pasted images) when cleanupPeriodDays was set to an extremely large value.