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Sweep 22 Oct 2026 · 04:32Z Build v2.1.308 527 read Stable v2.1.308 Latest v2.1.308 Next v2.1.308 Feeds RSS JSON llms.txt llms-full.txt Unofficial
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Claude Code v2.0.51 ·

Model Detection Extended

Entry
JSON All of v2.0.51
EntryKind: in v2.0.51,
ChangesSection of the release

The model detection functions now correctly recognize Opus 4.5 model IDs.

  • claude-opus-4-5 pattern now properly identified
  • Fixes potential issues with model-specific features not activating for Opus 4.5
  • Evidence: Detection at KAB() line 163004, Pw() line 224165

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