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Sweep 29 Sep 2026 · 18:10Z Build v2.1.285 506 read Stable v2.1.280 Latest v2.1.285 Next v2.1.285 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.235 ·

Template placeholder substitution no longer resolves inherited object properties

Template {{name}} substitution no longer resolves inherited Object.prototype properties like constructor or toString

You'll notice Bug Fixes
JSON All of v2.1.235
You'll noticeTier: how much it should matter to you
1Useful: my rating, 1 to 5
1Signal: worth watching, 1 to 5
ElsewhereArea: what it touches
Bug FixesKind: in v2.1.235,
Bug FixesSection of the release

The {{name}} substitution used when expanding prompt and command templates now checks Object.hasOwn before substituting. Keys such as constructor or toString, inherited from Object.prototype, are now left as literal text instead of being replaced with function source.

See this entry in the whole of v2.1.235 →

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