I am going to discuss a pretty common problem that could have been addressed with a simple quality of life improvement:
I have a very extensive collection of styles / presets, emulating various film stocks.
To preview the style, I have to hover the mouse. The mouse control would have been acceptable for a handful of styles, but it is a pain in (you know where) when the number of styles approaches 50. It takes a lot of scrolling and fussing with the mouse.
I am asking for a keyboard control while the styles panel is active: ideally something like up/down arrow to preview current style and something like a '+' to apply the style. With this type of UI, style browsing would become much quicker...
Please note that this feature cannot be replaced with style shortcuts because:
1. Style shortcuts make sense only for a handful of styles.
2. Furthermore style shortcuts may not be used to preview the style.