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Sweep 02 Oct 2026 · 18:55Z Build v2.1.288 509 read Stable v2.1.285 Latest v2.1.287 Next v2.1.288 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.287 ·

New startup timing step and plugin engine bookkeeping

Claude Code adds a startup timing step for interactive input and new counters for plugin worker starts and crashes

Under the hood Internal Changes
JSON All of v2.1.287
Under the hoodTier: how much it should matter to you
1Useful: my rating, 1 to 5
2Signal: worth watching, 1 to 5
PluginsArea: what it touches
Internal ChangesKind: in v2.1.287,
Internal ChangesSection of the release
What

Claude Code adds a new named step, startup_interactive_input, to how it times its startup. The plugin engine also gains new internal records:

  • counts of how often its worker process starts and crashes
  • the time plugins were turned off
  • an option to act on new plugins only
  • tracking of skill files and of narrowed tool permissions
Why

These point to work on supervising the plugin engine and timing 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 how these pieces fit together or whether they are in use yet.

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