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Sweep 12 Nov 2026 · 23:00Z Build v2.1.323 540 read Stable v2.1.311 Latest v2.1.323 Next v2.1.323 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.287 ·

Missing-plugin errors account for removed plugins and an unreadable installed_plugins.json

Plugin-not-found errors are hidden for plugins removed from the directory, and an unreadable installed_plugins.json is now named as the cause

Group of 2 You'll notice Improvements
JSON All of v2.1.287
You'll noticeTier: how much it should matter to you
1Useful: my rating, 1 to 5
1Signal: worth watching, 1 to 5
PluginsArea: what it touches
ImprovementsKind: in v2.1.287,
ImprovementsSection of the release

What

Claude Code reports more accurately why a plugin (an add-on that extends Claude Code) is missing.

  • A plugin-not-found error is no longer shown for a plugin marked removedFromDirectory, unless registryReadFailed is also true.
  • When the plugin registry could not be read, the message now says the plugin is not loaded because installed_plugins.json could not be read, so its install could not be checked. Before, it said only Plugin "..." not cached at ....
  • Separately, when the autoUpdate setting is copied from your settings to plugin marketplaces, some marketplaces are now skipped based on their source.

Why

You stop seeing old not-found errors for plugins that were deliberately removed from the directory. When a plugin really is missing because its install record could not be read, the message points at installed_plugins.json instead of reporting a plain cache miss.

See this entry in the whole of v2.1.287 →

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