The whimsical thinking messages ("Consulting the rubber duck…", "Reticulating splines…", "Staring thoughtfully into the middle distance…") have been replaced with straightforward status indicators: "still thinking", "thinking more", "thinking some more", "almost done thinking". This gives a cleaner, more professional feel during extended thinking.
Evidence
New messages (search for "still thinking") — replaces old rS7 array
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 agreeThinking spinner now shows progress inline ("still thinking", "thinking more", "almost done thinking"), replacing the separate hint row
