Created attachment 134447 [details] top-left of control bar a pixel is missing (red background) SUMMARY STEPS TO REPRODUCE 1. bar bottom 2. adjust bar's width and center it 3. open menu OBSERVED RESULT when centered, the bar gets rounded corners (which is ok) but when open menu the border radius remains, -> and a pixel gets ignored EXPECTED RESULT fill beyond-border-radius when menu opened for smooth look SOFTWARE/OS VERSIONS Linux/KDE Plasma ADDITIONAL INFORMATION
I guess the panel could un-round its rounded corner when there's an applet open that touches that corner.
This has since been fixed.