Thanks Marco for the tip. This my gnome boxes ubuntu VM with the proposed ppa enabled and I confirm this issue is fixed:
ub@ub:~$ apt-cache policy yaru-theme-icon yaru-theme-icon: Installed: 20.04.8 Candidate: 20.04.8 Version table: *** 20.04.8 500 500 http://de.archive.ubuntu.com/ubuntu focal-proposed/main amd64 Packages 500 http://de.archive.ubuntu.com/ubuntu focal-proposed/main i386 Packages 100 /var/lib/dpkg/status 20.04.7 500 500 http://de.archive.ubuntu.com/ubuntu focal-updates/main amd64 Packages 500 http://de.archive.ubuntu.com/ubuntu focal-updates/main i386 Packages 20.04.6 500 500 http://de.archive.ubuntu.com/ubuntu focal/main amd64 Packages 500 http://de.archive.ubuntu.com/ubuntu focal/main i386 Packages ub@ub:~$ -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1887389 Title: Microphone icon outlines can look fuzzy on certain screens To manage notifications about this bug go to: https://bugs.launchpad.net/yaru/+bug/1887389/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs