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.
The turn duration indicator now shows how many background tasks are still running after each turn (e.g., · 2 background tasks still running ↓), making it easier to track background task activity.
Evidence
Status line rendering (search for "background task" and "still running")
Strings lifted out of the shipped bundle, so the claim above can be checked against them.