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Sweep 28 Sep 2026 · 18:16Z Build v2.1.284 505 read Stable v2.1.277 Latest v2.1.284 Next v2.1.284 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.284 ·

Settings files are checked only against the settings they contain

Claude Code now validates a settings file by checking only the keys that file contains, instead of against the full list of every setting

Under the hood Internal Changes
JSON All of v2.1.284
Under the hoodTier: how much it should matter to you
1Useful: my rating, 1 to 5
1Signal: worth watching, 1 to 5
SettingsArea: what it touches
Internal ChangesKind: in v2.1.284,
Internal ChangesSection of the release
What

When Claude Code reads a settings file, it checks the file's contents are valid. It now builds that check from only the keys the file actually contains and remembers it for reuse, rather than checking every file against one description of all possible settings. The same applies when managed settings (settings set by an administrator) are exported.

Why

This most likely makes startup a little quicker. Settings that were valid before should still be valid.

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 doubtWhether error messages or the handling of unknown settings keys changed is not settled.

See this entry in the whole of v2.1.284 →

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