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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 v2.1.248 ·

MCP client and auth modules resolved through dynamic requires

The MCP client and login entry points are now loaded and cached differently at runtime.

Under the hood Internal Changes
JSON All of v2.1.248
Under the hoodTier: how much it should matter to you
1Useful: my rating, 1 to 5
1Signal: worth watching, 1 to 5
MCPArea: what it touches
Internal ChangesKind: in v2.1.248,
Internal ChangesSection of the release
What

The MCP client is now built and cached locally rather than fetched from a lazily initialised module, its shutdown clears that cache, and the authentication and identity-provider login entry points are reached through runtime chunk requires.

Evidence

mcpXaaIdpLoginModule()

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

See this entry in the whole of v2.1.248 →

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