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Sweep 01 Oct 2026 · 17:27Z Build v2.1.287 508 read Stable v2.1.285 Latest v2.1.287 Next v2.1.287 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.286 ·

A server-controlled switch is now locked off in code

A check that used to ask the server whether to turn on a feature now always answers off, so no server setting can switch it on

Under the hood Removed
JSON All of v2.1.286
Under the hoodTier: how much it should matter to you
1Useful: my rating, 1 to 5
2Signal: worth watching, 1 to 5
Remote ConfigArea: what it touches
RemovedKind: in v2.1.286,
RemovedSection of the release
What

A check in Claude Code used to ask the server for the flag tengu_stone_shell, falling back to off when the server sent nothing. That check now always answers off without asking. Whatever it guarded stays off for everyone, whatever the server sends.

That flag name earlier decided between file-based memory and the newer memory tools, before the decision moved to a differently named flag.

Why

A feature that could be switched on remotely can no longer be switched on in this build.

Read from
Feature flag
tengu_stone_shell Off in both readings

The flag server returned off for the account this site reads and for the anonymous baseline. A reading of off cannot rule out a rollout these two readings sit outside of.

This account: off · anonymous baseline: off · compiled default in v2.1.286: not a boolean we can read

These values were read against a different version of Claude Code, so treat them as the nearest reading available instead of one taken on this release.

Read once, for one account on one subscription tier, against v2.1.286. It isn't a statement about your account. What a flag value here can and cannot tell you

How sure we are
Something disagreesSomething we can check disagrees with this entry, or the writer said they could not settle it.
The writer flagged doubtWhether this check is the one that chose between file-based memory and memory tools, or guards something else.

See this entry in the whole of v2.1.286 →

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