Can you please try plasma-integration_5.7.2-0ubuntu1_amd64.deb from http://ppa.launchpad.net/mitya57/ppa/ubuntu/pool/main/p/plasma-integration/ and check if it fixes the segfault? (That .deb is a no-change rebuild against new Qt.)
Can you please try plasma- integration_ 5.7.2-0ubuntu1_ amd64.deb from http:// ppa.launchpad. net/mitya57/ ppa/ubuntu/ pool/main/ p/plasma- integration/ and check if it fixes the segfault? (That .deb is a no-change rebuild against new Qt.)