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Sweep 22 Oct 2026 · 21:04Z Build v2.1.309 528 read Stable v2.1.308 Latest v2.1.308 Next v2.1.309 Feeds RSS JSON llms.txt llms-full.txt Unofficial
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Claude Code v2.1.117 ·

Model Deprecation Remapping System

Entry
JSON All of v2.1.117
EntryKind: in v2.1.117,
ChangesSection of the release
What

Expanded model deprecation tracking with retirement dates and automatic remapping guidance for deprecated models.

Details
  • New entries for Claude Opus 4 (retiring June 15, 2026 on first-party), Claude Opus 4.1, and Claude Sonnet 4 (retiring June 15, 2026 on first-party)
  • Models with remappedTo field tell users what replacement to use (e.g., Opus 4 and 4.1 remap to "the latest Opus")
  • Replaces the older deprecation table that only covered Claude 3 Opus, Claude 3.7 Sonnet, and Claude 3.5 Haiku
  • The system displays warnings via addNotification when a model is approaching retirement
Evidence

Model deprecation table with remappedTo field (search for "remappedTo") — Vq8 at line ~544460

Strings lifted out of the shipped bundle, so the claim above can be checked against them.

See this entry in the whole of v2.1.117 →

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