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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
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Claude Code v2.1.304 ·

Session mode is now sent with background requests

Claude Code now includes the session's mode in the details sent with side requests and auto mode checks

Under the hood Internal Changes
JSON All of v2.1.304
Under the hoodTier: how much it should matter to you
1Useful: my rating, 1 to 5
3Signal: worth watching, 1 to 5
Auto ModeArea: what it touches
Internal ChangesKind: in v2.1.304,
Internal ChangesSection of the release
What

Claude Code now adds a servedSessionMode field to the details it sends with side requests (smaller extra requests made alongside the main conversation) and with the checks auto mode makes before acting.

Why

This adds one more field to what Claude Code sends to the API with these requests.

See this entry in the whole of v2.1.304 →

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