You'll noticeTier: how much it should matter to you
4Useful: my rating, 1 to 5
3Signal: worth watching, 1 to 5
MCPArea: what it touches
Internal ChangesKind: in v2.1.232,
What probably matters to youSection of the release
What
MCP connect success and failure events now record which negotiation mode was used and whether the connection had to fall back after probing. In automatic negotiation mode, a request timeout during the Anthropic-side probe is now treated as a fallback case instead of a hard connection failure.
Evidence
_anthropicProbeTimedOut
Strings lifted out of the shipped bundle, so the claim above can be checked against them.