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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 ·

Read tool instructions reworded for some model setups

The instructions Claude gets for reading files were reworded for some model setups and still open with the same first sentence

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
ToolsArea: what it touches
Internal ChangesKind: in v2.1.284,
Internal ChangesSection of the release
What

The Read tool's description, the instructions Claude gets for reading files from your computer, was reworded for some model setups. It still opens with "Reads a file from the local filesystem."

Why

A change to these instructions can change how Claude goes about reading files.

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 doubtIt is unclear which part of the text changed, since the stock Read description measured under this release is unchanged from the previous…

See this entry in the whole of v2.1.284 →

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