hmm, interesting
my log from that day
The following packages will be REMOVED:
mysql-client-5.6 mysql-client-core-5.6 mysql-server-5.6 mysql-server-core-5.6
The following NEW packages will be installed:
default-mysql-client default-mysql-server libreadline5 mariadb-client-10.0 mariadb-client-core-10.0 mariadb-server-10.0
mariadb-server-core-10.0
The following packages have been kept back:
libelf1:i386
The following packages will be upgraded:
ark binutils debian-reference debian-reference-common debian-reference-en ethtool ffmpegthumbs gvfs gvfs-backends gvfs-bin gvfs-common
gvfs-daemons gvfs-fuse gvfs-libs kdelibs-bin kdelibs5-data kdelibs5-plugins kdoctools libfcitx-config4 libfcitx-core0 libfcitx-utils0
libgeoip1 libhyphen0 libkcmutils4 libkde3support4 libkdeclarative5 libkdecore5 libkdesu5 libkdeui5 libkdewebkit5 libkdnssd4
libkemoticons4 libkfile4 libkfontinst5 libkfontinstui5 libkhtml5 libkio5 libkjsapi4 libkjsembed4 libkmediaplayer4 libknewstuff3-4
libknotifyconfig4 libkntlm4 libkparts4 libkprintutils4 libkpty4 libkrosscore4 libktexteditor4 libmyth-0.28-0 libmythavcodec57
libmythavfilter6 libmythavformat57 libmythavutil55 libmythpostproc54 libmythswresample2 libmythswscale4 libmythtv-perl libnepomuk4
libnepomukquery4a libnepomukutils4 libplasma3 libsolid4 libthreadweaver4 lsb-base lsb-release mythtv mythtv-backend mythtv-common
mythtv-database mythtv-frontend mythtv-transcode mythweather php-mythtv plasma-desktop plasma-desktop-data python-mythtv sddm
sddm-theme-maldives
78 upgraded, 7 newly installed, 4 to remove and 1 not upgraded.
Need to get 81.2 MB of archives.
After this operation, 15.3 MB disk space will be freed.
It could be a deb-multimedia.org thing, not sure, would need feedback from others