Just tested clean installation of Xubuntu. It does not affected by this bug.

But `sudo apt-get install xubuntu-desktop` is affected. 

Below is comparison of `dpkg -l` from mini.iso and from Xubuntu beta-1 (formatted as patch):

--- /tmp/xubuntu/mini_dpkg_-l_installed 
+++ /tmp/xubuntu/xubuntu_dpkg_-l_installed 
-ii activity-log-manager 0.9.7-0ubuntu26
-ii apg 2.2.3.dfsg.1-5
+ii chromium-codecs-ffmpeg-extra 65.0.3325.146-0ubuntu1
-ii cracklib-runtime 2.9.2-5build1
-ii dconf-cli 0.26.0-2
-ii evolution-data-server 3.28.0-1ubuntu1
-ii evolution-data-server-common 3.28.0-1ubuntu1
+ii firefox-locale-en 57.0.1+build2-0ubuntu1
-ii fonts-sipa-arundina 0.2.2-1
-ii gconf-service 3.2.6-4ubuntu1
-ii gconf-service-backend 3.2.6-4ubuntu1
-ii gconf2 3.2.6-4ubuntu1
-ii gconf2-common 3.2.6-4ubuntu1
-ii geoclue 0.12.99-4ubuntu2
-ii geoclue-2.0 2.4.7-1ubuntu1
-ii geoclue-ubuntu-geoip 1.0.2+18.04.20180223-0ubuntu1
-ii gir1.2-ibus-1.0:amd64 1.5.17-3ubuntu1
-ii gkbd-capplet 3.26.0-3
-ii gnome-bluetooth 3.27.90-1
-ii gnome-control-center 1:3.27.92-1ubuntu1
-ii gnome-control-center-data 1:3.27.92-1ubuntu1
-ii gnome-control-center-faces 1:3.27.92-1ubuntu1
-ii gnome-online-accounts 3.27.92-1
-ii gnome-power-manager 3.26.0-1
-ii gnome-screensaver 3.6.1-8ubuntu3
-ii gnome-session-bin 3.27.91-0ubuntu4
-ii gnome-settings-daemon 3.27.92-0ubuntu1
-ii gnome-settings-daemon-schemas 3.27.92-0ubuntu1
-ii gnome-user-docs 3.26.2.1-0ubuntu1
+ii gnupg1 1.4.22-3ubuntu2
+ii gnupg1-l10n 1.4.22-3ubuntu2
-ii gsettings-ubuntu-schemas 0.0.7+17.10.20170922-0ubuntu1
-ii gstreamer1.0-clutter-3.0:amd64 3.0.24-2
+ii gstreamer1.0-fluendo-mp3:amd64 0.10.32.debian-1
+ii gstreamer1.0-plugins-ugly:amd64 1.13.1-1
+ii gstreamer1.0-vaapi:amd64 1.13.1-1ubuntu1
+ii hyphen-en-us 2.8.8-5
-ii ibus 1.5.17-3ubuntu1
-ii ibus-gtk:amd64 1.5.17-3ubuntu1
-ii ibus-gtk3:amd64 1.5.17-3ubuntu1
-ii iio-sensor-proxy 2.4-2
-ii indicator-applet 12.10.2+17.10.20170425-0ubuntu1
-ii indicator-application 12.10.1+17.04.20161201-0ubuntu1
-ii indicator-bluetooth 0.0.6+17.10.20170605-0ubuntu3
-ii indicator-datetime 15.10+17.10.20170829.2-0ubuntu3
-ii indicator-keyboard 0.0.0+18.04.20180216-0ubuntu1
-ii indicator-power 12.10.6+17.10.20170829.1-0ubuntu3
-ii indicator-session 17.3.20+17.10.20171006-0ubuntu1
-ii indicator-sound 12.10.2+17.10.20170829.1-0ubuntu1
-ii installation-report 2.62ubuntu1
+ii liba52-0.7.4:amd64 0.7.4-19
-ii libaccounts-glib0:amd64 1.23+17.04.20161104-0ubuntu1
-ii libbonobo2-0:amd64 2.32.1-3
-ii libbonobo2-common 2.32.1-3
-ii libbonoboui2-0:amd64 2.24.5-4
-ii libbonoboui2-common 2.24.5-4
-ii libcamel-1.2-61:amd64 3.28.0-1ubuntu1
-ii libcanberra-pulse:amd64 0.30-5ubuntu1
-ii libcheese-gtk25:amd64 3.26.0-4ubuntu2
-ii libcolord-gtk1:amd64 0.1.26-2
-ii libcrack2:amd64 2.9.2-5build1
+ii libcurl3:amd64 7.58.0-2ubuntu2
-ii libcurl4:amd64 7.58.0-2ubuntu2
+ii libdvdnav4:amd64 6.0.0-1
+ii libdvdread4:amd64 6.0.0-1
-ii libebackend-1.2-10:amd64 3.28.0-1ubuntu1
-ii libebook-1.2-19:amd64 3.28.0-1ubuntu1
-ii libebook-contacts-1.2-2:amd64 3.28.0-1ubuntu1
-ii libecal-1.2-19:amd64 3.28.0-1ubuntu1
-ii libedata-book-1.2-25:amd64 3.28.0-1ubuntu1
-ii libedata-cal-1.2-28:amd64 3.28.0-1ubuntu1
-ii libedataserver-1.2-23:amd64 3.28.0-1ubuntu1
-ii libfcitx-config4:amd64 1:4.2.9.6-1
-ii libfcitx-gclient1:amd64 1:4.2.9.6-1
-ii libfcitx-utils0:amd64 1:4.2.9.6-1
-ii libgconf-2-4:amd64 3.2.6-4ubuntu1
-ii libgeoclue-2-0:amd64 2.4.7-1ubuntu1
-ii libgeoclue0:amd64 0.12.99-4ubuntu2
-ii libgeocode-glib0:amd64 3.25.4.1-4
-ii libgeonames-common 0.2+17.04.20170220-0ubuntu1
-ii libgeonames0:amd64 0.2+17.04.20170220-0ubuntu1
-ii libglade2-0:amd64 1:2.6.4-2
-ii libgles2:amd64 1.0.0-2ubuntu2
-ii libgmime-3.0-0:amd64 3.2.0-1
-ii libgnome-2-0:amd64 2.32.1-6
-ii libgnome-bluetooth13:amd64 3.27.90-1
-ii libgnome-keyring-common 3.12.0-1build1
-ii libgnome-keyring0:amd64 3.12.0-1build1
-ii libgnome2-common 2.32.1-6
-ii libgnomecanvas2-0:amd64 2.30.3-3
-ii libgnomecanvas2-common 2.30.3-3
-ii libgnomekbd-common 3.26.0-3
-ii libgnomekbd8:amd64 3.26.0-3
-ii libgnomeui-0:amd64 2.24.5-3.2
-ii libgnomeui-common 2.24.5-3.2
-ii libgnomevfs2-0:amd64 1:2.24.4-6.1ubuntu2
-ii libgnomevfs2-common 1:2.24.4-6.1ubuntu2
-ii libgoa-backend-1.0-1:amd64 3.27.92-1
-ii libgrilo-0.3-0:amd64 0.3.4-1
+ii libgstreamer-plugins-bad1.0-0:amd64 1.13.1-1ubuntu1
-ii libgtop-2.0-11:amd64 2.38.0-2
-ii libgtop2-common 2.38.0-2
-ii libgweather-3-15:amd64 3.28.0-1
-ii libgweather-common 3.28.0-1
-ii libibus-1.0-5:amd64 1.5.17-3ubuntu1
+ii libisl15:amd64 0.18-1ubuntu1
-ii libjpeg-turbo-progs 1.5.2-0ubuntu5
+ii libmpeg2-4:amd64 0.5.1-8
-ii libnet-libidn-perl 0.12.ds-2build4
-ii libnm-glib4:amd64 1.10.4-1ubuntu2
-ii libnm-gtk0:amd64 1.8.10-2ubuntu1
-ii libnm-util2:amd64 1.10.4-1ubuntu2
-ii libnss-myhostname:amd64 237-3ubuntu4
+ii libopencore-amrnb0:amd64 0.1.3-2.1
+ii libopencore-amrwb0:amd64 0.1.3-2.1
-ii liborbit-2-0:amd64 1:2.14.19-4
-ii libpanel-applet3 1:3.26.0-1ubuntu5
-ii libphonenumber7:amd64 7.1.0-5ubuntu5
-ii libprotobuf10:amd64 3.0.0-9ubuntu5
-ii libpwquality-common 1.4.0-2
-ii libpwquality1:amd64 1.4.0-2
+ii libreoffice-help-en-us 1:6.0.2-0ubuntu1
+ii libsidplay1v5:amd64 1.36.59-11
-ii libssh2-1:amd64 1.8.0-1
-ii libtimezonemap-data 0.4.5
-ii libtimezonemap1:amd64 0.4.5
-ii libtotem-plparser-common 3.26.0-1ubuntu2
-ii libtotem-plparser18:amd64 3.26.0-1ubuntu2
+ii libunistring0:amd64 0.9.3-5.2ubuntu1
-ii libunity-control-center1 15.04.0+18.04.20180216-0ubuntu1
-ii libunity-settings-daemon1:amd64 15.04.1+18.04.20180216-0ubuntu1
-ii liburl-dispatcher1:amd64 0.1+17.04.20170328-0ubuntu4
+ii libva-wayland2:amd64 2.1.0-1
-ii libwhoopsie-preferences0 0.19
-ii libxapian30:amd64 1.4.5-1
-ii libzeitgeist-2.0-0:amd64 1.0-0.1ubuntu1
-ii light-locker-settings 1.5.0-0ubuntu2
-ii mc 3:4.8.19-1
-ii mc-data 3:4.8.19-1
-ii mousetweaks 3.12.0-4
+ii mythes-en-us 1:6.0.0~rc1-1
-ii nautilus-data 1:3.26.2-0ubuntu3.1
-ii notification-daemon 3.20.0-3
-ii pinentry-curses 1.1.0-1
-ii python-psutil 5.4.2-1
+ii python3-cffi 1.11.5-1
+ii python3-olefile 0.45.1-1
+ii python3-ply 3.11-1
+ii python3-pycparser 2.18-2
-ii python3-xdg 0.25-4
-ii tasksel 3.34ubuntu11
-ii tasksel-data 3.34ubuntu11
+ii thermald 1.7.0-3
+ii thunderbird-locale-en 1:52.6.0+build1-0ubuntu1
+ii thunderbird-locale-en-us 1:52.6.0+build1-0ubuntu1
-ii ubuntu-docs 17.10.7
+ii ubuntu-restricted-addons 26
-ii ubuntu-system-service 0.3
-ii ubuntu-touch-sounds 15.08
-ii unity-control-center 15.04.0+18.04.20180216-0ubuntu1
-ii unity-greeter 17.10.0-0ubuntu1
-ii unity-settings-daemon 15.04.1+18.04.20180216-0ubuntu1
-ii whoopsie 0.2.59build1
-ii whoopsie-preferences 0.19
+rc whoopsie 0.2.59
-ii xfonts-thai 1:1.2.7-3
-ii xfonts-thai-etl 1:1.2.7-3
-ii xfonts-thai-manop 1:1.2.7-3
-ii xfonts-thai-nectec 1:1.2.7-3
-ii xfonts-thai-poonlap 1:1.2.7-3
-ii xfonts-thai-vor 1:1.2.7-3
-ii xiterm+thai 1.10-2
-ii xscreensaver 5.36-1ubuntu1
-ii xscreensaver-data 5.36-1ubuntu1
-ii zeitgeist-core 1.0-0.1ubuntu1


So you have dependency resolution problems in `xubuntu-meta`.