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DisclaimerUnofficial, and not affiliated with Anthropic. Nearly all of this is read straight out of what ships: npm bundles, captured prompts, published docs. Anthropic's own notes go in verbatim, marked as theirs. The rest is my reading, and every entry carries the strings behind it. If one looks wrong, vote it down and say why.

All of v2.0.20 Home All releases olderv2.0.19 v2.0.21newer
Claude Code v2.0.20

Autocompact Function Signature

What: Simplified autocompact summary function parameters

Details:

  • Added hasAppendSystemPrompt parameter to pi0() at line 434307 (previously Ei0())
  • Better context awareness during compaction operations
  • More precise token counting for system prompts

See this entry in the whole of v2.0.20 →