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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 v2.1.238 ·

Background session records carry a spare flag

Background session records can be flagged as spare, but nothing in this build decides when a spare gets spawned.

Nothing to try yet Notable Internal Changes
JSON All of v2.1.238
Nothing to try yetTier: how much it should matter to you
1Useful: my rating, 1 to 5
4Signal: worth watching, 1 to 5
SessionsArea: what it touches
Internal ChangesKind: in v2.1.238,
What probably matters to youSection of the release

A spare-session flag and claim telemetry are parsed and wired, but no code sets the condition that spawns one.

What

Parsing of background session records now reads a spare boolean, and the telemetry around claiming a spare session survives a reworked spawn path. What decides when a spare session is actually spawned is not set anywhere in this build.

Details
Evidence

tengu_bg_spare_claim_fail

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

See this entry in the whole of v2.1.238 →

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