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Sweep 06 Nov 2026 · 01:32Z Build v2.1.319 537 read Stable v2.1.311 Latest v2.1.318 Next v2.1.319 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.278 ·

Third-party classifier availability check reworked

The check for whether the server-side auto-mode classifier can be used was reworked internally

Under the hood Internal Changes
JSON All of v2.1.278
Under the hoodTier: how much it should matter to you
1Useful: my rating, 1 to 5
1Signal: worth watching, 1 to 5
Auto ModeArea: what it touches
Internal ChangesKind: in v2.1.278,
Internal ChangesSection of the release

Unclear It's unclear from the evidence what the new predicate and the swapped function actually change in terms of which providers qualify.

What

The function that gates whether the server-side auto-mode classifier is usable changed its handling of third-party providers: it now checks a new predicate on the resolved provider, and calls a different negated function than before when deciding availability.

Why

This is an internal change to how third-party providers are evaluated for server-side classifier eligibility; the finding doesn't specify what practical difference it makes for users.

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 doubtIt's unclear from the evidence what the new predicate and the swapped function actually change in terms of which providers qualify.

See this entry in the whole of v2.1.278 →

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