As it turns out, this also needs a change in qtbase-opensource-src. Change in -gles is not enough:
https://lists.debian.org/debian-devel/2021/05/msg00076.html https://lists.debian.org/debian-devel/2021/05/msg00150.html ** Also affects: qtbase-opensource-src (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1920130 Title: System icons missing in kubuntu 21.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/qtbase-opensource-src/+bug/1920130/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs