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.
A new internal diagnostic detects event loop stalls (blocked main thread) and logs them with memory statistics. This helps diagnose performance issues and detect sleep/wake transitions.
Evidence
Stall detector (search for "event-loop-stall")
Strings lifted out of the shipped bundle, so the claim above can be checked against them.
