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Sweep 22 Oct 2026 · 21:04Z Build v2.1.309 528 read Stable v2.1.308 Latest v2.1.309 Next v2.1.309 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.219 ·

Sessions record a parked job id

Sessions now remember which background job they were handed off to, and validate their timestamps more strictly.

Under the hood Internal Changes
JSON All of v2.1.219
Under the hoodTier: how much it should matter to you
2Useful: my rating, 1 to 5
0Signal: worth watching, 1 to 5
ElsewhereArea: what it touches
Internal ChangesKind: in v2.1.219,
Internal ChangesSection of the release
What

Session metadata now carries the id of the background job a session was handed off to, and timestamp fields in the metadata reader are validated more strictly.

Details
  • parkedJobId is written when a session is handed off to the background agents view and cleared when it returns
  • the reader parses it as an optional string
  • startedAt, updatedAt and statusUpdatedAt now go through a shared bounds check for finite, non-negative and below a maximum, replacing a bare typeof number test
Evidence

parkedJobId

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

See this entry in the whole of v2.1.219 →

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