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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

Claude Code v2.1.305 ·

Google Vertex AI sign-in now passes extra client options

When connecting through Google Vertex AI, Claude Code now passes extra client options alongside the key file during sign-in

Under the hood Internal Changes
JSON All of v2.1.305
Under the hoodTier: how much it should matter to you
1Useful: my rating, 1 to 5
1Signal: worth watching, 1 to 5
ElsewhereArea: what it touches
Internal ChangesKind: in v2.1.305,
Internal ChangesSection of the release

Unclear It is not stated what the new client options contain or what they change.

What

When Claude Code connects to Claude through Google Vertex AI, it signs in using a key file. That sign-in step now also passes a set of client options.

Why

This could change how sign-in to Vertex AI behaves, for example how it uses a proxy or which headers it sends.

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 is not stated what the new client options contain or what they change.

See this entry in the whole of v2.1.305 →

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