Suggestions for next version:
1. The ability to set a custom accent colour that applies only to the taskbar. When you set a very dark accent colour (in order to have, for instance, black title bars), the Windows flag on the start button becomes really dark when hovering over it and doesn't look right. This could be avoided by allowing a custom accent colour to be set just for the taskbar.
2. The ability for custom start buttons to shrink when "Use small taskbar buttons" is ticked in the PC taskbar settings. Currently, this only works with the default button, but if you add in a custom one, it will retain its large size even when using small taskbar buttons. Other start menu replacements (such as Start Menu 8 and Start10) both shrink the button when using small taskbar buttons. I appreciate this wouldn't be ideal for the Windows 7 start button, but it would be good to at least have it as an option for buttons where it makes sense to behave this way (such as any Windows 8.1 / Windows 10 style button).
What do you think?