Comment 1 for bug 1534193

I created a script checking the package versions in the overlay for vivid and got the following output - unparsed for now:

Packages that have higher versions in the PPA than in the archive:
android - (PPA: 20160107-1211-0ubuntu4 | Archive: 20150818-1500-0ubuntu2)
android-headers - (PPA: 4.4.2-2-0ubuntu5 | Archive: 4.4.2-2-0ubuntu4)
bluez - (PPA: 5.36-0ubuntu2~overlay1 | Archive: 5.36-0ubuntu1)
indicator-bluetooth - (PPA: 0.0.6+15.04.20151012-0ubuntu1 | Archive: 0.0.6+15.10.20150929-0ubuntu1)
indicator-datetime - (PPA: 15.04.0+15.04.20151014-0ubuntu1 | Archive: 13.10.0+15.10.20151005-0ubuntu2)
libhybris - (PPA: 0.1.0+git20151016+6d424c9-0ubuntu3~overlay1 | Archive: 0.1.0+git20131207+e452e83-0ubuntu40~gcc5.1)
libusermetrics - (PPA: 1.1.1+15.04.20150916.is.1.1.1+15.04.20150915-0ubuntu1 | Archive: 1.1.1+15.10.20150915-0ubuntu1)
mtp - (PPA: 0.0.4+15.04.20151126-0ubuntu1 | Archive: 0.0.4+15.04.20150219-0ubuntu3~gcc5.1)
qtubuntu-media-signals - (PPA: 0.3+15.04.20150828-0ubuntu1 | Archive: 0.3+15.10.20150710-0ubuntu2~gcc5.1)
ubuntu-app-launch - (PPA: 0.5+15.04.20150916.1-0ubuntu1 | Archive: 0.5+15.10.20150817-0ubuntu3)
ubuntu-touch-session - (PPA: 0.108+15.04.20151019-0ubuntu1 | Archive: 0.108+15.10.20150831-0ubuntu1)
unity-webapps-qml - (PPA: 0.1+15.04.20150508-0ubuntu1 | Archive: 0.1+15.04.20150422-0ubuntu2~gcc5.1)

Packages that seem to have different versions, might need investigation:
apparmor-easyprof-ubuntu - (PPA: 1.3.15 | Archive: 16.04.2)
apport - (PPA: 2.17.2-0ubuntu1.3touch1 | Archive: 2.19.3-0ubuntu3)
bacon2d - (PPA: 0.90.7-0ppa1 | Archive: 0.90.7-0ubuntu1)
ciborium - (PPA: 0.2.12+15.04.20150316.7-0ubuntu2 | Archive: 0.2.12+15.10.20150612-0ubuntu2)
dbus-cpp - (PPA: 4.3.0+15.04.20151126-0ubuntu1 | Archive: 5.0.0+15.10.20151022.1-0ubuntu1)
empathy - (PPA: 3.12.9-1ubuntu2 | Archive: 3.12.11-0ubuntu1)
fakechroot - (PPA: 2.18-1~vivid1 | Archive: 2.18-1)
glmark2 - (PPA: 2014.03+git20150611.fa71af2d-0ubuntu1.1~overlay1 | Archive: 2014.03+git20150611.fa71af2d-0ubuntu2)
gst-plugins-good0.10 - (PPA: 0.10.31-3+nmu1ubuntu7 | Archive: 0.10.31-3+nmu4ubuntu2~gcc5.1)
gtk+3.0 - (PPA: 3.14.15-0ubuntu4 | Archive: 3.18.6-1ubuntu1)
indicator-display - (PPA: 0.1+15.04.20150302-0ubuntu1 | Archive: 0.1+15.10.20150727-0ubuntu2~gcc5.1)
language-pack-touch-ast - (PPA: 1:15.04+20160113 | Archive: 1:16.04+20160110)
language-pack-touch-bg - (PPA: 1:15.04+20160113 | Archive: 1:15.10+20151016)
language-pack-touch-bs - (PPA: 1:15.04+20160113 | Archive: 1:16.04+20160110)
language-pack-touch-ca - (PPA: 1:15.04+20160113 | Archive: 1:16.04+20160110)
language-pack-touch-cs - (PPA: 1:15.04+20160113 | Archive: 1:16.04+20160110)
language-pack-touch-da - (PPA: 1:15.04+20160113 | Archive: 1:16.04+20160110)
language-pack-touch-de - (PPA: 1:15.04+20160113 | Archive: 1:16.04+20160110)
language-pack-touch-el - (PPA: 1:15.04+20160113 | Archive: 1:16.04+20160110)
language-pack-touch-en - (PPA: 1:15.04+20160113 | Archive: 1:16.04+20160110)
language-pack-touch-es - (PPA: 1:15.04+20160113 | Archive: 1:16.04+20160110)
language-pack-touch-eu - (PPA: 1:15.04+20160113 | Archive: 1:16.04+20160110)
language-pack-touch-fi - (PPA: 1:15.04+20160113 | Archive: 1:16.04+20160110)
language-pack-touch-fr - (PPA: 1:15.04+20160113 | Archive: 1:16.04+20160110)
language-pack-touch-gl - (PPA: 1:15.04+20160113 | Archive: 1:16.04+20160110)
language-pack-touch-he - (PPA: 1:15.04+20160113 | Archive: 1:16.04+20160110)
language-pack-touch-hu - (PPA: 1:15.04+20160113 | Archive: 1:16.04+20160110)
language-pack-touch-id - (PPA: 1:15.04+20160113 | Archive: 1:16.04+20160110)
language-pack-touch-it - (PPA: 1:15.04+20160113 | Archive: 1:16.04+20160110)
language-pack-touch-ja - (PPA: 1:15.04+20160113 | Archive: 1:16.04+20160110)
language-pack-touch-ko - (PPA: 1:15.04+20160113 | Archive: 1:16.04+20160110)
language-pack-touch-lt - (PPA: 1:15.04+20160113 | Archive: 1:16.04+20160110)
language-pack-touch-lv - (PPA: 1:15.04+20160113 | Archive: 1:16.04+20160110)
language-pack-touch-ms - (PPA: 1:15.04+20160113 | Archive: 1:16.04+20160110)
language-pack-touch-nb - (PPA: 1:15.04+20160113 | Archive: 1:16.04+20160110)
language-pack-touch-nl - (PPA: 1:15.04+20160113 | Archive: 1:16.04+20160110)
language-pack-touch-oc - (PPA: 1:15.04+20160113 | Archive: 1:16.04+20160110)
language-pack-touch-pa - (PPA: 1:15.04+20160113 | Archive: 1:16.04+20160110)
language-pack-touch-pl - (PPA: 1:15.04+20160113 | Archive: 1:16.04+20160110)
language-pack-touch-pt - (PPA: 1:15.04+20160113 | Archive: 1:16.04+20160110)
language-pack-touch-ro - (PPA: 1:15.04+20160113 | Archive: 1:16.04+20160110)
language-pack-touch-ru - (PPA: 1:15.04+20160113 | Archive: 1:16.04+20160110)
language-pack-touch-sk - (PPA: 1:15.04+20160113 | Archive: 1:16.04+20160110)
language-pack-touch-sl - (PPA: 1:15.04+20160113 | Archive: 1:16.04+20160110)
language-pack-touch-sr - (PPA: 1:15.04+20160113 | Archive: 1:16.04+20160110)
language-pack-touch-sv - (PPA: 1:15.04+20160113 | Archive: 1:16.04+20160110)
language-pack-touch-tr - (PPA: 1:15.04+20160113 | Archive: 1:16.04+20160110)
language-pack-touch-ug - (PPA: 1:15.04+20160113 | Archive: 1:16.04+20160110)
language-pack-touch-uk - (PPA: 1:15.04+20160113 | Archive: 1:16.04+20160110)
language-pack-touch-zh-hans - (PPA: 1:15.04+20160113 | Archive: 1:16.04+20160110)
language-pack-touch-zh-hant - (PPA: 1:15.04+20160113 | Archive: 1:16.04+20160110)
libinput - (PPA: 1.1.0-1ubuntu2~vivid1 | Archive: 1.1.3-1ubuntu1)
libphonenumber - (PPA: 6.0+r655-0ubuntu7vivid3 | Archive: 7.0.8-0ubuntu3)
libtimezonemap - (PPA: 0.4.3.1 | Archive: 0.4.5)
livecd-rootfs - (PPA: 2.300.2+vivid11 | Archive: 2.370)
location-service - (PPA: 2.1+15.04.20160106-0ubuntu1 | Archive: 3.0.0-0ubuntu4)
net-cpp - (PPA: 1.2.0+15.04.20150415.2-0ubuntu1 | Archive: 2.0.0-0ubuntu1)
network-manager - (PPA: 0.9.10.0-4ubuntu15.1.8 | Archive: 1.0.4-0ubuntu7)
oxide-qt - (PPA: 1.10.4-0ubuntu1~overlay1 | Archive: 1.11.5-0ubuntu1)
pay-service - (PPA: 2.0.0+15.04.20151103-0ubuntu1 | Archive: 15.10+16.04.20151124.2-0ubuntu1)
pulseaudio - (PPA: 1:6.0-0ubuntu9.12 | Archive: 1:7.1-1ubuntu3)
python-dbusmock - (PPA: 0.16.3-1~touch~vivid | Archive: 0.16.3-1)
qmenumodel - (PPA: 0.2.9+15.04.20150430-0ubuntu1 | Archive: 0.2.9+15.04.20150430-0ubuntu2~gcc5.1)
qtbase-opensource-src - (PPA: 5.4.1+dfsg-2ubuntu11~vivid3 | Archive: 5.5.1+dfsg-10ubuntu2)
qtbase-opensource-src-gles - (PPA: 5.4.1+dfsg-2ubuntu11~vivid3 | Archive: 5.5.1+dfsg-10ubuntu1)
qtdeclarative-opensource-src - (PPA: 5.4.1-1ubuntu11~overlay2 | Archive: 5.5.1-2ubuntu3)
qtdeclarative-opensource-src-gles - (PPA: 5.4.1-1ubuntu11~overlay2 | Archive: 5.5.1-2ubuntu3)
qtmultimedia-opensource-src - (PPA: 5.4.1-1ubuntu19~overlay2 | Archive: 5.5.1-1ubuntu2)
qtmultimedia-opensource-src-gles - (PPA: 5.4.1-1ubuntu19~overlay2build1 | Archive: 5.5.1-1ubuntu2)
qtpim-opensource-src - (PPA: 5.0~git20140515~29475884-0ubuntu11.1~overlay5 | Archive: 5.0~git20140515~29475884-0ubuntu18)
qtpurchasing-opensource-src - (PPA: 5.6.0~git20151023.2f454143-0ubuntu1~15.04 | Archive: 5.6.0~git20151023.2f454143-0ubuntu3)
qtsystems-opensource-src - (PPA: 5.0~git20141206~44f70d99-0ubuntu2.1 | Archive: 5.0~git20141206~44f70d99-0ubuntu6)
qtvideo-node - (PPA: 0.2.1+15.04.20150828-0ubuntu1 | Archive: 0.2.1+16.04.20151104-0ubuntu1)
syncevolution - (PPA: 1.5-0ubuntu5 | Archive: 1.5-0ubuntu10)
systemd - (PPA: 219-7ubuntu6vividtouch1 | Archive: 228-4ubuntu1)
systemd-shim - (PPA: 9-1bzr3 | Archive: 9-1bzr4)
telepathy-mission-control-5 - (PPA: 1:5.16.3-1ubuntu1.2 | Archive: 1:5.16.3-1ubuntu4)
telepathy-qt5 - (PPA: 0.9.6.1-0ubuntu1overlay1 | Archive: 0.9.6.1-0ubuntu3)
trust-store - (PPA: 1.1.0+15.04.20151211-0ubuntu1 | Archive: 2.0.0+15.10.20150831.3-0ubuntu1)
ubuntu-touch-meta - (PPA: 1.221vivid23 | Archive: 1.256)
ubuntu-touch-sounds - (PPA: 15.08~vivid | Archive: 15.08)
unity-scope-scopes - (PPA: 0.1+14.10.20140820-0ubuntu1 | Archive: 0.1+14.10.20140820-0ubuntu2~gcc5.2)
upstart - (PPA: 1.13.2-0ubuntu13.2 | Archive: 1.13.2-0ubuntu18)
whoopsie-preferences - (PPA: 0.18~vivid1.1 | Archive: 0.18)
xorg-server - (PPA: 2:1.17.2-1ubuntu0.1~overlay8 | Archive: 2:1.17.3-2ubuntu2)
xserver-xorg-video-ati - (PPA: 1:7.5.0-1ubuntu2.1~overlay1 | Archive: 1:7.6.1-1)
xserver-xorg-video-intel - (PPA: 2:2.99.917-1~exp1ubuntu2.3~overlay1 | Archive: 2:2.99.917+git20151217-1~exp1ubuntu1)
xserver-xorg-video-nouveau - (PPA: 1:1.0.11-1ubuntu2.1~overlay1 | Archive: 1:1.0.11-1ubuntu3)