Some observations about the current right sidebar:
<Now Playing list>
1. Search box is not displayed most time when clicking on "text search" (bug). Also when clicking on "text search" command, now playing list gets hidden and shows lyrics instead, if the place of the command happens to be outside of right sidebar (auto-hide mode).
2. If you right click on the area where text search box should be displayed, selecting "Customize panel setting" opens up classic compact player settings pane (bug).
3. Even when sorted by other fields, search by typing always works for title field. Cannot find a way to search for artist by typing.
4. When lyrics pane is disabled, the width of now playing list (auto-hide mode) is about two-thirds of the whole window. But when lyrics pane is enabled, it's the same as the width of lyrics pane. This makes sense aesthetically, but not efficient functionally. If you have set up more than two fields for now playing list, then you have to adjust right sidebar to read now playing list. How about making the width of now playing list consistent regardless of whether lyrics pane is enabled?
<Lyrics pane>
Artist pane and Now Playing list can be auto hidden, but not for lyrics pane. This makes it hard to open and close lyrics pane. Currently it requires four mouse clicks. How about offering a right-click menu item of "open/close lyrics pane" that has the same effect as ticking "show lyrics" option in configuration pane?