Anthropic adds message threads to Claude Code as email-leak reports surface
This story is from 2026-11-03. It is preserved in the archive; the latest stories are on the live feed.
Anthropic shipped a beta message-threads feature cutting time to first token by about 35% on large requests, while separate reports say Claude Code leaked account emails via User-Agent headers, with stable 2.1.311 lacking a fix.
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Timeline · 6 reports
- 2026-11-06 11:01 · DEV Community — AI
Claude Code Put Account Emails in User-Agent Headers. Stable 2.1.311 Lacks the Guard - 2026-11-06 08:22 · DEV Community — AI
Claude Code was mailing your email address to every website it visited: the User-Agent leak, the 5-month system-prompt issue, and the 5-point check - 2026-11-05 22:17 · Hacker News Front Page
Claude Code sends your email address to websites - 2026-11-04 02:07 · r/ClaudeAI
Anthropic shipped message threads (beta): Claude Code now sends only new messages per turn, about 35% lower time to first token on 500k to 1M token requests - 2026-11-03 13:46 · The New Stack AI
Anthropic speeds up Claude Code with message threads. But your token bill stays the same. - 2026-11-03 13:11 · ZDNET AI
Is Claude Code truly faster with message threads? I did the math on my logs