Package: libqt5x11extras5 Version: 5.5.1-2 Followup-For: Bug #802811 I can confirm that too. no kde app opens after having this upgraded. Besides, the testing version is gone so I'll have to manually search for an older version.
-- System Information: Debian Release: stretch/sid APT prefers testing APT policy: (990, 'testing'), (500, 'unstable'), (500, 'stable'), (1, 'experimental') Architecture: amd64 (x86_64) Foreign Architectures: i386 Kernel: Linux 4.2.3 (SMP w/4 CPU cores; PREEMPT) Locale: LANG=pt_BR.UTF-8, LC_CTYPE=pt_BR.UTF-8 (charmap=UTF-8) Shell: /bin/sh linked to /bin/bash Init: systemd (via /run/systemd/system) Versions of packages libqt5x11extras5 depends on: ii libc6 2.19-22 ii libqt5core5a 5.4.2+dfsg-9 ii libqt5gui5 5.4.2+dfsg-9 libqt5x11extras5 recommends no packages. libqt5x11extras5 suggests no packages. -- no debconf information