Source Intelligence

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 v2.1.239 Home All releases olderv2.1.238 v2.1.240newer
Claude Code v2.1.239

Poll-event mode now also needs the entry path to have wired ingress

Not switched on
Useful2 Signal4
SDK Notable not in their notes

Setting the poll-events variable alone no longer switches on poll delivery; the SDK entry path must wire it.

Poll-event delivery now needs both CLAUDE_CODE_POLL_EVENTS and an ingress latch set only from the SDK or streaming-input path.

CLAUDE_CODE_POLL_EVENTS
What

Setting CLAUDE_CODE_POLL_EVENTS on its own no longer puts a session into poll-event delivery. A third condition was added: the launch options must record that event ingress was wired, a one-way latch set only from the SDK and streaming-input entry path.

Details
  • The latch is set by markPollEventIngressWired() and read by pollEventIngressWired(); it defaults unset, so other entry points cannot enter this mode regardless of the environment variable.
Evidence

markPollEventIngressWired, CLAUDE_CODE_POLL_EVENTS

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 v2.1.239 →