You'll noticeTier: 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 v2.1.233,
What probably matters to youSection of the release
What
The MCP client now tracks whether a re-authentication is already running for each server, and both the tool-call and connect retry paths check it before treating a closed connection as grounds for another attempt. Several calls failing together now share one OAuth re-auth.
Evidence
reauthInFlight = new Map();
Strings lifted out of the shipped bundle, so the claim above can be checked against them.
