1. It would be useful to change the colour of the InPrivate mode to another colour, e.g. dark purple. This is to better distinguish this mode, which is hard to distinguish from the dark theme of the browser.
2. Download manager - currently, the window that appears when downloading files blocks the content you are browsing, not to mention that you have to close it yourself. I would suggest a solution modelled on Firefox, which in my opinion is aesthetic and comfortable.