Follow Discord
Sweep 10 Nov 2026 · 02:18Z Build v2.1.322 539 read Stable v2.1.311 Latest v2.1.322 Next v2.1.322 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.259 ·

Headless/SDK session loop tracks command lifecycle and attachment notifications

The headless session loop now handles command lifecycle events and records attachments in its telemetry.

Under the hood Internal Changes
JSON All of v2.1.259
Under the hoodTier: how much it should matter to you
2Useful: my rating, 1 to 5
3Signal: worth watching, 1 to 5
SDKArea: what it touches
Internal ChangesKind: in v2.1.259,
Internal ChangesSection of the release

The headless/SDK session loop now handles a command_lifecycle event, calling noteCommandStarted when a command starts, and records attachment events via noteAttachment. Result and error telemetry payloads are enriched accordingly.

See this entry in the whole of v2.1.259 →

Feedback