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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.

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Claude Code v2.0.74 19 Dec 2025

Large Git Diff Performance Optimization

When working with large diffs (>500 files changed), Claude Code now uses git diff --shortstat first to quickly determine file counts before fetching full diff details. This prevents timeouts on very large changesets.

Evidence

ks5() at line 448558 (parses shortstat format with filesCount, linesAdded, linesRemoved), modified Pl2() at line 448405 (uses Ps5 = 500 threshold)

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

See this entry in the whole of v2.0.74 →