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Sweep 12 Nov 2026 · 23:00Z Build v2.1.323 540 read Stable v2.1.311 Latest v2.1.323 Next v2.1.323 Feeds RSS JSON llms.txt llms-full.txt Unofficial
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Claude Code v2.1.323 ·

Hosted sessions can send connections through a local relay

The network path hosted sessions use can now send connections through a local relay, falling back to the hosted tunnel when needed

Under the hood Internal Changes
JSON All of v2.1.323
Under the hoodTier: how much it should matter to you
2Useful: my rating, 1 to 5
2Signal: worth watching, 1 to 5
Cloud SandboxArea: what it touches
Internal ChangesKind: in v2.1.323,
Internal ChangesSection of the release

Unclear What supplies the local relay address, and so whether any session uses this mode, is not stated.

What

Hosted sessions, which run on Anthropic's machines, send their outgoing network connections through a tunnel. Before, every connection went through the hosted tunnel. There is now a local relay mode with:

  • an address for the relay, given as an option
  • tickets and leases that track which connection may use the relay
  • holding back uploads until the relay is ready
  • falling back to the hosted tunnel when the relay can't be used
Why

This changes the network path that hosted sessions can take.

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 doubtWhat supplies the local relay address, and so whether any session uses this mode, is not stated.

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