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Sweep 01 Oct 2026 · 17:27Z Build v2.1.287 508 read Stable v2.1.285 Latest v2.1.287 Next v2.1.287 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.287 ·

Groundwork for running SessionStart hooks of plugins added mid-session

Claude Code now tracks which plugins' SessionStart hooks have run and can pick out plugins loaded later whose hooks have not

Nothing to try yet In Development
JSON All of v2.1.287
Nothing to try yetTier: how much it should matter to you
3Useful: my rating, 1 to 5
4Signal: worth watching, 1 to 5
HooksArea: what it touches
In DevelopmentKind: in v2.1.287,
What probably matters to youSection of the release
What

SessionStart hooks are scripts that run when a session begins or resumes, and plugins can supply them. Claude Code now keeps track of how the session started, which plugins its SessionStart hooks already covered, and whether they have been run. From that it can work out which plugins loaded later, for example after a reload, have SessionStart hooks that have not run yet.

Why

This points to SessionStart hooks firing for plugins you add during a session, not only for plugins present at startup.

How sure we are
Something disagreesSomething we can check disagrees with this entry, or the writer said they could not settle it.
The writer flagged doubtIt is not clear what triggers these hooks to run, or whether this is switched on.

See this entry in the whole of v2.1.287 →

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