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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
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Claude Code v2.1.288 ·

Diagnostic logs sent to Datadog can be compressed, with a fallback

Log batches sent to Datadog can now be gzip-compressed, falling back to uncompressed if Datadog refuses one

Use it now Notable No documentation found New Features
JSON All of v2.1.288
Use it nowTier: how much it should matter to you
4Useful: my rating, 1 to 5
2Signal: worth watching, 1 to 5
TelemetryArea: what it touches
New FeaturesKind: in v2.1.288,
What probably matters to youSection of the release
What

Claude Code sends batches of diagnostic logs to Datadog, a logging service. These batches can now be compressed with gzip to make them smaller. Setting CLAUDE_CODE_GZIP_DATADOG_LOGS turns compression on or off; without it, Claude Code uses a built-in default.

  • If Datadog refuses a compressed batch, Claude Code resends it uncompressed and stops compressing for the rest of that run.
  • A "too many requests" reply (HTTP 429) does not count as a refusal.
Why

This only affects how internal diagnostic data travels, and nothing changes in what you see.

Read from
Names in the bundleCLAUDE_CODE_GZIP_DATADOG_LOGS
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 compression is on by default when the environment variable is not set is not established.
The name it cites is new in this buildNew in this build: CLAUDE_CODE_GZIP_DATADOG_LOGS

See this entry in the whole of v2.1.288 →

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