Follow Discord
Sweep 22 Oct 2026 · 04:32Z Build v2.1.308 527 read Stable v2.1.308 Latest v2.1.308 Next v2.1.308 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.224 ·

SendMessage telemetry marks blocked waits and resumes

Message delivery telemetry can flag when the sender blocked waiting for completion.

Under the hood Internal Changes
JSON All of v2.1.224
Under the hoodTier: how much it should matter to you
1Useful: my rating, 1 to 5
2Signal: worth watching, 1 to 5
AgentsArea: what it touches
Internal ChangesKind: in v2.1.224,
Internal ChangesSection of the release
What

Message delivery telemetry can now flag that the caller waited synchronously for completion, alongside the existing route and duration fields.

Details
  • Agent-resume branches report on both success and failure under the route resume.
  • The evicted-agent mailbox path sets the blocked-wait flag.
Evidence

blocked_wait

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

How sure we are
One source agreesOne thing we can check says the same as this entry.
Anthropic's release notes agreeAdded cross-session SendMessage: Claude Code sessions can now message each other, on any of your machines, with ListAgents to discover them…

See this entry in the whole of v2.1.224 →

Feedback