... or I will.
You should! :) Please head over to http://bugs.kde.org/ and file individual bugs against the Breeze product for these separate issues.
And for best results, please remember https://community.kde.org/Get_Involved/Bug_Reporting#Bug_tracker_etiquette
Okay, I need to wrap this up nicely for them. Will do.
@rikmills What the ... You've fixed the scrollbar in Kubuntu. Great!
The scrollbar is a success story. I can't praise Kubuntu Bionic enough on that one. Love it!