What probably matters to youSection of the release
What
The advisor is a second model Claude Code can consult for guidance during a task, and you choose it with /advisor. Claude Code now saves that choice with the session. A session is one conversation with Claude Code, which you can leave and later resume.
When you resume a session, Claude Code restores the saved advisor if it is still acceptable to use. If it is not, you see the note "Not restoring this session's saved advisor" and the saved choice is not applied.
Why
A resumed session keeps the advisor you set for it, so you do not have to pick it again each time you come back.