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Sweep 25 Sep 2026 · 19:33Z Build v2.1.283 504 read Stable v2.1.274 Latest v2.1.283 Next v2.1.283 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.280 ·

Plugin host ops gained a streaming pull/close protocol

Plugin hooks gained a streaming pull/close protocol underlying features like process.spawn

Under the hood No documentation found Internal Changes
JSON All of v2.1.280
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3Signal: worth watching, 1 to 5
PluginsArea: what it touches
Internal ChangesKind: in v2.1.280,
Internal ChangesSection of the release
What

The worker process that runs plugin hooks now supports a streaming protocol for its internal operations, in addition to the simple request/response calls it already had. This adds message types for pulling further data (op_pull) and closing a stream (op_close), along with supporting dispatch and context-building code.

Why

This is the underlying plumbing that makes new streaming operations, such as process.spawn, possible: it lets a plugin operation send back a sequence of results over time instead of just a single reply.

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Names in the bundleop_pullop_close

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