After a while, the konsole do not use my favorite dark theme (obsidian color) for the menubar taskbar or tabbar. As I see a (default?) light theme is used instead. When I click on Settings ->Edit profile, or Settings -> Configure Konsole, etc. the window has light theme. Reproducible: Always Steps to Reproduce: 1. Start konsole with dark theme default. Expected Results: Use the correct color scheme. See the link for the picture. I have opened a dolphin to see the "normal" colors of an another KDE application.
Works for me with Konsole from git master. In particular, now the scrollbar also matches the active terminal theme too! Please re-open if you can reproduce this issue with Konsole 18.08.x or git master.