favicon
A Claude Code settings key, read out of the shipped bundle. No mined inventory carries it: everything below comes from what this site has written about it.
Republishing without a favicon keeps the existing icon, or fails rather than swapping it.
Not Anthropic's. This is the line from the earliest changelog entry here that named it, v2.1.248.
In the changelogs
9Releases whose published page names favicon.
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v2.1.275
Artifact publish results now report whether the icon was accepted
Artifact publish results now say whether the icon you set was actually accepted
found in this entry's text
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v2.1.275
'icon' field replaces deprecated 'favicon' in artifact publish, with new writer-access disclosure on read/list
Artifact icon field replaces the deprecated favicon parameter, and read/list now shows write access
found in this entry's text
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v2.1.275
Artifacts tool: 'favicon' parameter deprecated in favor of 'icon'
Artifacts tool replaces the emoji 'favicon' field with a required, plain-word 'icon' field
found in this entry's text
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v2.1.271
Artifact publish flow: file_path + favicon now required, no inline content param
Publishing an artifact now requires saving it to an .html file and supplying file_path plus a one-or-two-emoji favicon
found in this entry's text
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v2.1.268
Artifact publish gains an icon field and generalized upstream-rejected-field retry
Artifact publishing now supports an icon field and retries automatically when the server rejects an unknown field
found in this entry's text
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v2.1.248
Publishing refuses rather than silently replacing an artifact's icon
Republishing without a favicon keeps the existing icon, or fails rather than swapping it.
named in this entry, found in this entry's text
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v2.1.248
Publish hint about missing fields simplified
The publish hint about missing file_path or favicon is simpler now.
found in this entry's text
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v2.1.248
Favicon is only required the first time you publish
You only need a favicon on the first publish; redeploys keep the existing icon.
named in this entry, found in this entry's text
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v2.1.172
Artifact Tool
found in this entry's text
First cited
0No release's published evidence quotes this name. The ledger indexes the Evidence lines of every changelog on this site, so this says nobody here has ever quoted it; it says nothing about how old the name is.
Presence across releases
0The miner has never read a build containing this name. It is here because a changelog entry of ours names it, which is evidence that it existed and not evidence of which releases carried it. The inventory starts at v2.1.138 and everything older than that was never mined.
Read out of the published npm bundle release by release, and out of Anthropic's own documentation as this site captured it. Nothing on this page is a description anybody here wrote about what the settings key does. All settings keys.