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Sweep 02 Oct 2026 · 18:55Z Build v2.1.288 509 read Stable v2.1.285 Latest v2.1.287 Next v2.1.288 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.287 ·

File attachment usage data no longer reports read-ahead

Usage data about waiting for attached files no longer says whether read-ahead was enabled or used

Under the hood Internal Changes
JSON All of v2.1.287
Under the hoodTier: how much it should matter to you
1Useful: my rating, 1 to 5
1Signal: worth watching, 1 to 5
TelemetryArea: what it touches
Internal ChangesKind: in v2.1.287,
Internal ChangesSection of the release
What

Claude Code sends usage data about how long it waits for attached files. That data no longer says whether read-ahead, reading attached files early, was enabled or used.

Why

This suggests the read-ahead trial has ended.

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 not clear whether read-ahead is now always on or has been removed.

See this entry in the whole of v2.1.287 →

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