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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 ·

Malformed streamed replies now fail with "Stream event unreadable"

A broken piece of a streamed reply now stops with the error "Stream event unreadable" instead of carrying on with bad data

You'll notice Bug Fixes
JSON All of v2.1.284
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 v2.1.284,
Bug FixesSection of the release
What

Claude's replies arrive as a stream of small pieces. If one piece announces the start of a new block of content but contains no actual content, Claude Code now stops with the error "Stream event unreadable" and records the problem. Before, it carried on with the broken block.

Why

If a proxy or gateway between you and the API corrupts a reply, you should get a clear error rather than a confusing crash later.

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 doubtWhether Claude Code retries the request after this error is not clear.

See this entry in the whole of v2.1.284 →

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