Claude Code v2.0.0 ·
Opusplan Fallback Mode
EntryKind: in v2.0.0,
ChangesSection of the release
What: Removed "Opus Plan Mode" model fallback strategy
Details:
- Previously: "Use Opus 4.1 in plan mode, Sonnet 4 otherwise"
- This specific fallback configuration is no longer available
- Standard model selection and rate limit fallback still work
- Evidence: Variable
D31 at line 368627, function U31() at line 368577 in v1.0.128 - removed in v2.0.0
See this entry in the whole of v2.0.0 →