1. Open Thunar. 2. Enable `View -> Split View`. 3. Open `A` on the left, open `B` on the right. 4. Select the first file on the left panel, select the first file on the right panel. 5. Click on the left panel. 6. Drag-and-drop a file from the left panel to the right panel. Which panel is active now? Ok, let's check. 7. There are actively selected files on the _left_ panel, there are actively selected files on the _right_ panel. 8. Visually, the focus is on the _left_ panel. 9. What does the location bar say? `A`, i.e. we are on the _left_ panel. 10. What if we press `Right` button? * The location bar changes to `B`. We are on the _right_ panel. * The _right_ panel's selection changes (the left one doesn't). 11. Otherwise, what if we press `Backspace` button or click the toolbar's `Open the parent directory`? * The _left_ panel's location bar changes. * The _left_ panel's file list view changes. Which panel is active? P.S. Should tryto start from another panel at p.5... Thunar 4.18.8