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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 v2.0.26 ·

Removal of "Always Thinking" Experiment

Entry
JSON All of v2.0.26
EntryKind: in v2.0.26,
ChangesSection of the release

What: The experimental "always thinking" feature has been completely removed

Details:

  • Removed automatic ultra-thinking token allocation based on experiment flag
  • Simplified message rendering by removing experiment-specific UI logic
  • Removed from both backend logic and frontend rendering components
  • Evidence: Removed logic from function L_() at line 296620 (was Uk() at line 296382 in v2.0.25), simplified rendering in function n_() at line 323185 (was mk() at line 324226 in v2.0.25, 45.5% similarity)

See this entry in the whole of v2.0.26 →

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