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Sweep 22 Oct 2026 · 21:04Z Build v2.1.309 528 read Stable v2.1.308 Latest v2.1.309 Next v2.1.309 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.78 ·

Entry
JSON All of v2.1.78
EntryKind: in v2.1.78,
Bug FixesSection of the release
  • Fixed bridge session resumption failing silently when the resumed session has zero messages — now correctly falls through to a fresh session (search for "z.messages.length === 0")
  • Fixed ANTHROPIC_BETAS environment variable not being applied in all request contexts — the beta header filter was incorrectly gated on a condition that could prevent user-specified betas from being sent (search for "ANTHROPIC_BETAS")
  • Telemetry additional_metadata is now base64-encoded before transmission, fixing potential encoding issues with JSON payloads (search for "base64")
How sure we are
One source agreesOne thing we can check says the same as this entry.
Anthropic's release notes agreeFixed ANTHROPIC_BETAS environment variable being silently ignored when using Haiku models

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