owncloud/contacts — pull request #764 by AdamWill (2014-12-30 18:17:00+00:00)
Title: require OC 7.8 not 8, or we don't work with current master

core has its version set to x.8.y before pre-releases start shipping, then x.9.y when pre-releases are shipping; requiring 8 means the app is disabled until much later.