When cairo 1.10.0 was released a 1.10 branch in the git repository was created for bug fixes. 1.10.x releases are from this branch. The latin font subsetting is a new feature so it was committed to the master branch (or trunk in svn nomenclature).
When cairo 1.10.0 was released a 1.10 branch in the git repository was created for bug fixes. 1.10.x releases are from this branch. The latin font subsetting is a new feature so it was committed to the master branch (or trunk in svn nomenclature).