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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 ·

Module-level mutable state moved into per-process holders

Various long-lived globals moved onto per-process state objects; nothing behaves differently.

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

Several long-lived variables, including the feedback-notice state, MCP auth caches, dropped-tool sequence maps, live shell command sets and the plugin marketplace memo, now live on lazily built state objects instead of loose module variables. No behaviour changes.

Evidence

Ip.feedbackNotice

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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