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Sweep 01 Oct 2026 · 17:27Z Build v2.1.287 508 read Stable v2.1.285 Latest v2.1.287 Next v2.1.287 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.286 ·

Some fields are now removed from messages before they are passed along

Claude Code now removes certain fields from some messages before forwarding them, leaving other messages unchanged

Under the hood Internal Changes
JSON All of v2.1.286
Under the hoodTier: how much it should matter to you
1Useful: my rating, 1 to 5
0Signal: worth watching, 1 to 5
Remote ControlArea: what it touches
Internal ChangesKind: in v2.1.286,
Internal ChangesSection of the release
What

One of the places where Claude Code passes messages along now removes certain fields from them first. A message that has none of those fields is passed along unchanged.

Why

This may change what appears in Claude Code's output stream, the flow of messages that other programs can read from it.

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 known which fields are removed.

See this entry in the whole of v2.1.286 →

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