I've created Bug#779612 [1] to propose that 'systemd-sysv' and 'cryptsetup' recommend 'plymouth' in Jessie. There is related discussion in debian-qa[2]. 1. https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=779612 2. https://lists.debian.org/debian-qa/2015/02/msg00051.html