Want to round corners of windows in KDE Plasma Desktop? Here’s a KWin effect can do the job in recent Plasma desktop from v5.27 to v6.3.
There was a ShapeCorners KWin/5 effect can do the job to enable rounded window corners, which however discontinued. What I’m going to introduce is KDE-Rounded-Corners, a fork of ShapeCorners with optimization and recent Plasma desktop support.