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

Claude Code v2.1.288 ·

Messages for code blocks shown as plain code instead of a diff

Claude Code gains messages noting that a code block is shown as plain code because it is not in a diff format

Under the hood Internal Changes
JSON All of v2.1.288
Under the hoodTier: how much it should matter to you
1Useful: my rating, 1 to 5
1Signal: worth watching, 1 to 5
UI ProtocolArea: what it touches
Internal ChangesKind: in v2.1.288,
Internal ChangesSection of the release
What

Claude Code gains messages reporting that a code block is drawn as plain code because its content is not a unified diff, the standard format for showing which lines changed.

Why

These messages help explain why a block meant to show changes appears as ordinary code.

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 where these messages are shown.

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