You can run claude plugin update with just the plugin name, no marketplace needed.
What's wrong with this entry?
You can now update a plugin without naming its marketplace. Claude Code searches installed plugins across all marketplaces: one match is updated, no match fails as not installed, and several matches fail and print the fully qualified name@marketplace forms to pick from.
claude plugin update my-plugin- Failure codes reported are
not_installedandambiguous_marketplace.
ambiguous_marketplace
Strings lifted out of the shipped bundle, so the claim above can be checked against them.
Related
Other releases about the same thing. Found by shared names or similar wording; neither means one caused the other.
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v2.1.229
Command-sourced plugins are not rebuilt behind your back
Both mention update
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v2.1.234
Turn-update instruction now asks for a standalone closing recap
Both mention update
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v2.1.229
claude plugin installandupdategained-yBoth mention update