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Sweep 08 Oct 2026 · 18:53Z Build v2.1.295 516 read Stable v2.1.286 Latest v2.1.295 Next v2.1.295 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.290 ·

Plugin install can now refuse some plugins as not found

Installing a plugin can now stop with the not_found failure code when a check on that plugin matches

You'll notice Improvements
JSON All of v2.1.290
You'll noticeTier: how much it should matter to you
1Useful: my rating, 1 to 5
2Signal: worth watching, 1 to 5
PluginsArea: what it touches
ImprovementsKind: in v2.1.290,
ImprovementsSection of the release

Unclear What the check looks up, and which plugins it matches, is not clear.

What

Plugins are add-on packages for Claude Code. During install, Claude Code now runs an extra check on each plugin. When it matches, install stops with failureCode: "not_found" and an explanatory message.

Why

Some plugins that used to install may now be refused.

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 doubtWhat the check looks up, and which plugins it matches, is not clear.

See this entry in the whole of v2.1.290 →

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