[libvirt-users] the version between 2.5.0 and 3.0.0

hi everyone: I found that the next version of libvirt-2.5.0 is 3.0.0 in https://gitlab.com/libvirt/libvirt/ or ftp://libvirt.org/libvirt/. Why? Is that the change between 2.5.0 and 3.0.0 is much?Then what is the change? -- Have a good day