In KF5 oxygen window decorations now lack "ugly shadows" which in KDE4 served at least two purposes: 1. Visually separate different windows 2. Indicate which window is active (similarly to shadow vs glow) In KF5, since no ugly shadows are drawn, oxygen window decoration without compositing is unusable. I'll attach a screenshot. Reproducible: Always Steps to Reproduce: 1. Turn off compositing 2. Open System Settings, on a page where much of the background is system background color — e.g. Compositor page 3. Open Konsole, move the window over the one opened in step 2, so that Konsole top is near the top of System Settings window top 4. Try to tell: a) where Konsole window ends and System Settings starts b) which one is active when you move them apart so that they don't overlap Actual Results: Step 4 is quite hard to do. Expected Results: Step 4 should be at least as easy as it was in KDE4. Tested on stock Kubuntu 16.04 LiveISO.
Created attachment 99443 [details] Screenshot of the problem
Hi Ruslan, Agreed, this was not ported. You can however uncheck the new option "use the same color for the titlebar and the window content" This will make the decoration use the "active" and "inactive" colors, and fix the issue (in the same way as breeze does)
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This bug has been in NEEDSINFO status with no change for at least 30 days. The bug is now closed as RESOLVED > WORKSFORME due to lack of needed information. For more information about our bug triaging procedures please read the wiki located here: https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging Thank you for helping us make KDE software even better for everyone!