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

Claude Code v2.1.238 ·

MCP handshake timeouts are recorded as lost connections

An MCP handshake that times out is now recorded as a lost connection instead of an ordinary shutdown.

Under the hood Internal Changes
JSON All of v2.1.238
Under the hoodTier: how much it should matter to you
2Useful: my rating, 1 to 5
2Signal: worth watching, 1 to 5
MCPArea: what it touches
Internal ChangesKind: in v2.1.238,
Internal ChangesSection of the release
What

When an MCP handshake times out or a stale client row is cleaned up, the task is now torn down as a lost connection rather than an ordinary quiet kill, so the two causes can be told apart downstream.

Evidence

connectionLost: !0

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

See this entry in the whole of v2.1.238 →

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