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Sweep 22 Oct 2026 · 04:32Z Build v2.1.308 527 read Stable v2.1.308 Latest v2.1.308 Next v2.1.308 Feeds RSS JSON llms.txt llms-full.txt Unofficial
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Claude Code v2.1.248 ·

Ink app shell, MCP client and Skill tool moved to top-level definitions

The Ink shell, MCP client and Skill tool are now defined at load time.

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
0Signal: worth watching, 1 to 5
StartupArea: what it touches
Internal ChangesKind: in v2.1.248,
Internal ChangesSection of the release
What

The Ink root class, the MCP client class and connect function, and the Skill tool definition are now defined directly rather than inside lazily-initialised module wrappers, so they are constructed at load rather than on first use. Terminal raw-mode handling, keypress parsing, the paste and mouse timeouts (50ms and 2000ms) and the Skill tool's validation messages are unchanged.

Details
Evidence

static displayName = "InternalApp";

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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