On neon dev unstable... 1. start x11 session 2. open ksysguard 3. hide some columns (right click the column, click "Hide column xxx") 4. do logout 5. start wayland session 6. open ksysguard 7. restart ksysguard Result: all columns, including the columns hidden in the step 3, are enabled
*** This bug has been marked as a duplicate of bug 396399 ***