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Reading a new release v2.1.251 Analysing changes · 2/5 Sorting the findings · 1/4 steps 470 findings $18.91 so far

DisclaimerUnofficial, and not affiliated with Anthropic. Nearly all of this is read straight out of what ships: npm bundles, captured prompts, published docs. Anthropic's own notes go in verbatim, marked as theirs. The rest is my reading, and every entry carries the strings behind it. If one looks wrong, vote it down and say why.

All of v2.1.50 Home All releases olderv2.1.49 v2.1.51newer
Claude Code v2.1.50

Improved Session Resume Telemetry

What

Better tracking of session resume performance and success/failure.

Details
  • Tracks resume duration in milliseconds
  • Reports success/failure status for session resume operations
  • Helps identify performance issues with session loading
Evidence

Resume telemetry (search for "tengu_session_resumed", "resume_duration_ms")

Strings lifted out of the shipped bundle, so the claim above can be checked against them.

Related

Other releases about the same thing. Found by shared names or similar wording; neither means one caused the other.

See this entry in the whole of v2.1.50 →