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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 v2.1.246

Shell function snapshots no longer round-trip through base64

You'll notice
Useful3 Signal2
Bash

Shell function snapshots no longer need a working base64 binary on your machine.

What

Your shell functions are captured into the snapshot with printf and %q quoting instead of being base64-encoded and decoded back through eval, removing the need for a working base64 binary when the snapshot is taken.

Evidence

printf 'eval %q

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

Related

Other releases about the same thing. Found by shared names or similar wording; neither means one caused the other.

See this entry in the whole of v2.1.246 →