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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 v2.1.236 ·

Blocked artifact reads retry through the session gateway

Artifact reads blocked by your network allowlist now retry through the session gateway instead of failing.

You'll notice New Features
JSON All of v2.1.236
You'll noticeTier: how much it should matter to you
3Useful: my rating, 1 to 5
2Signal: worth watching, 1 to 5
ArtifactsArea: what it touches
New FeaturesKind: in v2.1.236,
New FeaturesSection of the release
What

Reading a published artifact used to fail outright when the environment's network allowlist blocked the artifact content host. Token-bearing (non-public) reads are now retried through the session gateway before giving up. The retry needs gate tengu_cobalt_plinth_sorrel, whose built-in fallback is true, so it is active absent server config.

Details
  • Public, tokenless artifacts are explicitly not relayed.
  • Relay attempts and refusals are recorded, along with a per-host decline window so a failing relay is not hammered.
  • When the relay cannot serve the read either, the failure says so rather than repeating the egress-blocked message.
Evidence

artifact reads through the session gateway are not enabled for this session, or the artifact service no longer serves this version, asset_egress_relayed

Strings lifted out of the shipped bundle, so the claim above can be checked against them.

Read from
Feature flag
tengu_cobalt_plinth_sorrel On for this account, and not off by default

The flag server returned on for the one account this site reads, and nothing in this release compiles it off by default. The compiled default is shown below, and says which it is when we cannot read one: a fifth of gates compile in a string or a number rather than on or off, and most published releases have no gate table behind them at all. No client can see what the server returns for your account.

This account: on · anonymous baseline: on · compiled default in v2.1.236: on

Read once, for one account on one subscription tier, against v2.1.236. It isn't a statement about your account. What a flag value here can and cannot tell you

What has happened since
Flag reading moved The flag server now returns on for tengu_cobalt_plinth_sorrel, read as this account. A reading is one sample. Claude Code evaluates its flags remotely, so no client sees the targeting rule behind a value and this says nothing about your account.
Flag reading moved The flag server now returns nothing at all, having stopped carrying it for tengu_cobalt_plinth_sorrel, read as this account. A reading is one sample. Claude Code evaluates its flags remotely, so no client sees the targeting rule behind a value and this says nothing about your account.

See this across every release →

See this entry in the whole of v2.1.236 →

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