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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 ·

Stricter handling when a sessions request is refused for a bad sign-in token

Reporting of rejected sign-in tokens on sessions requests now only happens when an extra check on the request passes

Under the hood Internal Changes
JSON All of v2.1.312
Under the hoodTier: how much it should matter to you
1Useful: my rating, 1 to 5
1Signal: worth watching, 1 to 5
AuthArea: what it touches
Internal ChangesKind: in v2.1.312,
Internal ChangesSection of the release
What

When a request to the sessions service is refused with a 401 error (the server's answer for "not signed in or token not accepted"), Claude Code can report the sign-in token that was sent. That report now only happens when the request passes an extra check. Claude Code also now reads the token out of the request's sign-in header with a dedicated parser, instead of simply cutting off the text "Bearer " at the start.

Why

This narrows the cases in which a rejected token is reported.

See this entry in the whole of v2.1.312 →

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