Under the hoodTier: how much it should matter to you
1Useful: my rating, 1 to 5
2Signal: worth watching, 1 to 5
StartupArea: what it touches
Internal ChangesKind: in v2.1.284,
Internal ChangesSection of the release
What
Claude Code can keep a spare process started in advance so a new session starts faster. When it takes over one of these, it now records two timings: how long it waited for a token file, and how long it took to apply the session's setup.
Why
Nothing changes on screen. The timings measure how fast these pre-started processes get going.