The autonomous loop tick prompts were significantly rewritten to provide clearer numbered steps and better explain dynamic pacing behavior. The prompt header changed from "# Autonomous loop tick" to "# /loop tick", and scheduled task prompts now include explicit step-by-step instructions.
Evidence
Loop prompt changes (search for "/loop tick")
Strings lifted out of the shipped bundle, so the claim above can be checked against them.
One source agreesOne thing we can check says the same as this entry.
Anthropic's release notes agree
Improved /loop: pressing Esc now cancels pending wakeups, and wakeups display as "Claude resuming /loop wakeup" for clarity