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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 v2.1.221 ·

Background session records whether it booted via resume

Background sessions now remember whether they resumed, so interactive behaviour is judged correctly.

Under the hood Internal Changes
JSON All of v2.1.221
Under the hoodTier: how much it should matter to you
2Useful: my rating, 1 to 5
0Signal: worth watching, 1 to 5
SessionsArea: what it touches
Internal ChangesKind: in v2.1.221,
Internal ChangesSection of the release
What

Background PTY sessions track how they came up so interactive capability can be decided correctly.

Details
  • bootedViaResume is computed from the launch mode and restoresTranscript, and persisted across spawn, rehydrate and reattach.
  • It is used to decide whether the session is capable of interactive marks.
Evidence

bootedViaResume

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

See this entry in the whole of v2.1.221 →

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