What update?
https://launchpad.net/~albertsmuktupavels/+archive/ubuntu/metacity-3-18 1:3.18.7-0ubuntu0.1ppa1
Note that PPA version is 1:3.18.7-0ubuntu0.1ppa1, but you have 1:3.18.7-0ubuntu0.1 according to your comments.
What update?
https:/ /launchpad. net/~albertsmuk tupavels/ +archive/ ubuntu/ metacity- 3-18 7-0ubuntu0. 1ppa1
1:3.18.
Note that PPA version is 1:3.18. 7-0ubuntu0. 1ppa1, but you have 1:3.18.7-0ubuntu0.1 according to your comments.