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Sweep 22 Oct 2026 · 21:04Z Build v2.1.309 528 read Stable v2.1.308 Latest v2.1.309 Next v2.1.309 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.227 ·

Huge MCP timeout values no longer fire instantly

Very large MCP_TIMEOUT values are capped instead of overflowing and timing out instantly.

Use it now Notable Bug Fixes
JSON All of v2.1.227
Use it nowTier: how much it should matter to you
4Useful: my rating, 1 to 5
2Signal: worth watching, 1 to 5
MCPArea: what it touches
Bug FixesKind: in v2.1.227,
What probably matters to youSection of the release
What

MCP_TIMEOUT and MCP_CONNECT_TIMEOUT_MS are now capped at 2147483647 milliseconds. Values above that used to overflow the underlying timer and expire immediately; defaults remain 30000 and 5000 milliseconds.

Evidence

MCP_CONNECT_TIMEOUT_MS

Strings lifted out of the shipped bundle, so the claim above can be checked against them.

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See this entry in the whole of v2.1.227 →

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