Control your contributions with mailmap

In [58899] a .mailmap file was added to WordPress which instruct git and git-aware tooling to alias specific emails and names to a new identity. With this change it’s possible to combine multiple git identities into a single one as well as fix any identities which may be broken in history.

For example, there was a time commits were brought over from Subversion and the emails associated in the git commit followed the form . For each of these users, there might be other commits referencing . Tools counting commits, history logs, annotations (blames), and others will make it seem