additionalMarketplaces now works as an alias for extraKnownMarketplaces in settings files.
What's wrong with this entry?
Settings files now accept additionalMarketplaces as an alias for extraKnownMarketplaces, read exactly the same way.
- If a single file sets both keys, the alias is ignored and a warning is printed.
- Claude Code may rewrite the alias to the canonical spelling next time it updates the file.
- Older clients ignore the alias entirely, so the canonical key is still the safe choice for shared configs.
additionalMarketplaces
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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v2.1.224
Invalid
extraKnownMarketplacesentries are dropped with a warningBoth mention marketplace extra known
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v2.1.228
extraKnownMarketplaces merges instead of being replaced
Both mention marketplace extra known
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v2.1.223
Marketplace policy lists accept an owner wildcard
Both mention marketplace extra known