What
Claude Code can pass certificate settings to git, so that git trusts a certificate authority (the organisation that vouches for a site's security certificate) chosen by whoever runs your setup. Given an address, it can now produce three versions of git's http.sslCAInfo setting: a general one, one for that site, and one for that exact address.
Why
In git, a setting for a specific address overrides a broader one, so this may fix custom certificates being ignored for some git remotes.
Names in the bundlehttp.sslCAInfo
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The writer flagged doubt
It is not clear where this is used, and it may be a renamed internal rather than a change you would notice.