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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
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Claude Code v2.1.307 ·

Artifact and service address variables are now grouped in one list

Claude Code now keeps the CLAUDE_CODE_ARTIFACT* variables in one list with several other server-address override variables

Under the hood Internal Changes
JSON All of v2.1.307
Under the hoodTier: how much it should matter to you
1Useful: my rating, 1 to 5
1Signal: worth watching, 1 to 5
Environment VariablesArea: what it touches
Internal ChangesKind: in v2.1.307,
Internal ChangesSection of the release

Unclear It is not clear what Claude Code does with the new combined list, for example whether it blocks or removes these overrides.

What

Environment variables are settings passed to a program when it starts. Claude Code now keeps the six CLAUDE_CODE_ARTIFACT* variables together in one list. It also has a second list that holds those six plus these:

Before, the artifact variables sat directly in an existing list beside ANTHROPIC_AWS_BASE_URL. That list still covers them.

Why

Each of these variables changes which server Claude Code talks to. Putting them in one group suggests Claude Code now treats this wider set of address overrides the same way. If you set any of them, check that Claude Code still behaves as you expect.

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 clear what Claude Code does with the new combined list, for example whether it blocks or removes these overrides.

See this entry in the whole of v2.1.307 →

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