Under the hoodTier: how much it should matter to you
1Useful: my rating, 1 to 5
1Signal: worth watching, 1 to 5
StartupArea: what it touches
Internal ChangesKind: in v2.1.285,
Internal ChangesSection of the release
What
Claude Code now times named stages of starting up and running a turn, such as setting up the engine and waiting for MCP servers, the separate programs that add tools. It also adds timings for choosing a model and for waiting on hooks, which are your own commands that run at set points.
Why
This is internal measurement with no direct effect on how Claude Code behaves.
How sure we are
Something disagreesSomething we can check disagrees with this entry, or the writer said they could not settle it.
The writer flagged doubtWhere these timings are sent is not known.