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Sweep 27 Oct 2026 · 19:04Z Build v2.1.312 531 read Stable v2.1.308 Latest v2.1.312 Next v2.1.312 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.312 ·

Three new server-controlled switches appear

Claude Code now checks three new switches that Anthropic controls from its servers; what they do is not known

Nothing to try yet In Development
JSON All of v2.1.312
Nothing to try yetTier: how much it should matter to you
1Useful: my rating, 1 to 5
2Signal: worth watching, 1 to 5
InternalsArea: what it touches
In DevelopmentKind: in v2.1.312,
In DevelopmentSection of the release

Unclear What the three switches control is not known.

What

Claude Code now looks up three new switches, which Anthropic can turn on or off from its servers: tengu_foamy_pelican, tengu_enchanted_nest and tengu_plaid_kettle.

Why

Switches like these let features be turned on for some accounts without a new release. On their own they change nothing you can see.

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 doubtWhat the three switches control is not known.

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