Under the hoodTier: how much it should matter to you
1Useful: my rating, 1 to 5
2Signal: worth watching, 1 to 5
Usage & LimitsArea: what it touches
Internal ChangesKind: in v2.1.323,
Internal ChangesSection of the release
What
Claude Code contains an internal tool that fakes usage-limit responses so the limit messages can be tested. It no longer offers the cases for approaching the weekly limit, the Opus limit, the Opus warning and the Sonnet warning. Only the cases for reaching the weekly limit and reaching the Sonnet limit remain.
Why
This is testing code, so it is unlikely to change anything you see during normal use.