Merge branch 'cube-spin' into 'master'
authorMatthias Clasen <mclasen@redhat.com>
Fri, 29 Mar 2019 14:23:45 +0000 (14:23 +0000)
committerMatthias Clasen <mclasen@redhat.com>
Fri, 29 Mar 2019 14:23:45 +0000 (14:23 +0000)
stack: Add a cube spin transition

See merge request GNOME/gtk!679


Trivial merge