Notification's Style unexpectedly change

This morning i was greeted with a new style of notifications in 20.04. Was this an expectation?
image

here were this morning’s apt packages installed:
2020-04-16 06:25:09 upgrade gnome-shell-extension-prefs:amd64 3.36.1-4ubuntu1 3.36.1-5ubuntu1
2020-04-16 06:25:09 upgrade gnome-shell:amd64 3.36.1-4ubuntu1 3.36.1-5ubuntu1
2020-04-16 06:25:09 upgrade gnome-shell-common:all 3.36.1-4ubuntu1 3.36.1-5ubuntu1
2020-04-16 06:25:13 upgrade libgjs0g:amd64 1.64.1-2 1.64.1-2ubuntu1
2020-04-16 06:25:15 upgrade libllvm9:amd64 1:9.0.1-11ubuntu1 1:9.0.1-12
2020-04-16 06:25:19 upgrade gvfs-backends:amd64 1.44.0-1ubuntu1 1.44.1-1ubuntu1
2020-04-16 06:25:19 upgrade gvfs-fuse:amd64 1.44.0-1ubuntu1 1.44.1-1ubuntu1
2020-04-16 06:25:19 upgrade gvfs:amd64 1.44.0-1ubuntu1 1.44.1-1ubuntu1
2020-04-16 06:25:19 upgrade gvfs-daemons:amd64 1.44.0-1ubuntu1 1.44.1-1ubuntu1
2020-04-16 06:25:19 upgrade gvfs-libs:amd64 1.44.0-1ubuntu1 1.44.1-1ubuntu1
2020-04-16 06:25:19 upgrade gvfs-bin:amd64 1.44.0-1ubuntu1 1.44.1-1ubuntu1
2020-04-16 06:25:19 upgrade gvfs-common:all 1.44.0-1ubuntu1 1.44.1-1ubuntu1
2020-04-16 06:25:23 upgrade dnsutils:all 1:9.16.1-0ubuntu1 1:9.16.1-0ubuntu2
2020-04-16 06:25:25 upgrade base-files:amd64 11ubuntu4 11ubuntu5
2020-04-16 06:25:43 upgrade libmozjs-68-0:amd64 68.6.0-1 68.6.0-1ubuntu1
2020-04-16 06:25:45 upgrade bind9-dnsutils:amd64 1:9.16.1-0ubuntu1 1:9.16.1-0ubuntu2
2020-04-16 06:25:45 upgrade bind9-libs:amd64 1:9.16.1-0ubuntu1 1:9.16.1-0ubuntu2
2020-04-16 06:25:48 upgrade yaru-theme-gnome-shell:all 20.04.4 20.04.5
2020-04-16 06:25:51 upgrade libpangocairo-1.0-0:amd64 1.44.7-2ubuntu2 1.44.7-2ubuntu3
2020-04-16 06:25:53 upgrade libpango-1.0-0:amd64 1.44.7-2ubuntu2 1.44.7-2ubuntu3
2020-04-16 06:25:55 upgrade bamfdaemon:amd64 0.5.3+18.04.20180207.2-0ubuntu1 0.5.3+18.04.20180207.2-0ubuntu2
2020-04-16 06:25:55 upgrade libbamf3-2:amd64 0.5.3+18.04.20180207.2-0ubuntu1 0.5.3+18.04.20180207.2-0ubuntu2
2020-04-16 06:25:58 upgrade gir1.2-snapd-1:amd64 1.56-0ubuntu2 1.57-0ubuntu2
2020-04-16 06:25:58 upgrade libsnapd-glib1:amd64 1.56-0ubuntu2 1.57-0ubuntu2
2020-04-16 06:26:00 upgrade libpangoxft-1.0-0:amd64 1.44.7-2ubuntu2 1.44.7-2ubuntu3
2020-04-16 06:26:03 upgrade ubuntu-minimal:amd64 1.447 1.448
2020-04-16 06:26:05 upgrade bind9-host:amd64 1:9.16.1-0ubuntu1 1:9.16.1-0ubuntu2
2020-04-16 06:26:07 upgrade gjs:amd64 1.64.1-2 1.64.1-2ubuntu1
2020-04-16 06:26:09 upgrade gir1.2-pango-1.0:amd64 1.44.7-2ubuntu2 1.44.7-2ubuntu3
2020-04-16 06:26:12 upgrade ubuntu-standard:amd64 1.447 1.448
2020-04-16 06:26:14 upgrade libpangoft2-1.0-0:amd64 1.44.7-2ubuntu2 1.44.7-2ubuntu3
2020-04-16 06:40:52 upgrade vim:amd64 2:8.1.2269-1ubuntu4 2:8.1.2269-1ubuntu5
2020-04-16 06:40:52 upgrade vim-tiny:amd64 2:8.1.2269-1ubuntu4 2:8.1.2269-1ubuntu5
2020-04-16 06:40:52 upgrade vim-runtime:all 2:8.1.2269-1ubuntu4 2:8.1.2269-1ubuntu5
2020-04-16 06:40:52 upgrade xxd:amd64 2:8.1.2269-1ubuntu4 2:8.1.2269-1ubuntu5
2020-04-16 06:40:52 upgrade vim-common:all 2:8.1.2269-1ubuntu4 2:8.1.2269-1ubuntu5
2020-04-16 08:07:08 upgrade python3-update-manager:all 1:20.04.5 1:20.04.6
2020-04-16 08:07:08 upgrade update-manager-core:all 1:20.04.5 1:20.04.6
2020-04-16 08:07:08 upgrade update-manager:all 1:20.04.5 1:20.04.6
2020-04-16 08:07:08 upgrade python3-problem-report:all 2.20.11-0ubuntu26 2.20.11-0ubuntu27
2020-04-16 08:07:09 upgrade python3-apport:all 2.20.11-0ubuntu26 2.20.11-0ubuntu27
2020-04-16 08:07:09 upgrade apport:all 2.20.11-0ubuntu26 2.20.11-0ubuntu27
2020-04-16 08:07:09 upgrade apport-gtk:all 2.20.11-0ubuntu26 2.20.11-0ubuntu27
2020-04-16 08:07:13 upgrade linux-generic:amd64 5.4.0.21.25 5.4.0.24.29
2020-04-16 08:07:13 upgrade linux-image-generic:amd64 5.4.0.21.25 5.4.0.24.29
2020-04-16 08:07:16 upgrade linux-headers-generic:amd64 5.4.0.21.25 5.4.0.24.29
2020-04-16 08:07:16 upgrade linux-libc-dev:amd64 5.4.0-21.25 5.4.0-24.28
2020-04-16 08:07:16 upgrade xserver-xorg-video-intel:amd64 2:2.99.917+git20190815-1 2:2.99.917+git20200226-1

I’m beginning to suspect one of these packages:
2020-04-16 06:25:09 upgrade gnome-shell-extension-prefs:amd64 3.36.1-4ubuntu1 3.36.1-5ubuntu1
2020-04-16 06:25:09 upgrade gnome-shell:amd64 3.36.1-4ubuntu1 3.36.1-5ubuntu1
2020-04-16 06:25:09 upgrade gnome-shell-common:all 3.36.1-4ubuntu1 3.36.1-5ubuntu1

interestingly i have a gnome extensions preferences app that I cannot use

nothing in those gnome-shell packages would affect the budgie desktop

What theme are you using?

As strangely as it appeared, it’s also disappeared without much fanfare. I guess i withdraw my question for the time being.

i’m using the Pocillo theme + Ubuntu Budgie Layout.