https://blog.wongcw.com/2018/12/06/ubuntu-19-04-%e7%9a%84%e9%96%8b%e7%99%bc%e5%85%a8%e9%80%9f%e5%89%8d%e9%80%b2gnome-shell-%e5%b0%87%e6%9b%b4%e5%bf%ab/
Ubuntu 19.04 的開發全速前進GNOME Shell 將更快