The AI-powered session search feature (which used a subagent with Grep/Read tools to find matching sessions) has been removed. The /resume UI now loads past sessions by listing them directly rather than running an agentic search.
Evidence
"Agentic search found", "Agentic search response:", "agenticSessionSearch: query loop failed" — all removed (search for "C4o" — absent in new version)
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 agreeTyping /resume in the agent view now opens a picker of past sessions — including sessions deleted from the list — and resumes your pick as a…