I did some checking :-)
In the wish list. In general as a quick workaround you can use flat button to cover all buttons that you wish to hide.
In the wish list.
This can done via Project-level Actions, scroll down to the DOK actions:
4. A way to be able to change the black background of the Trends, or just enable the user to choose between white and black, eventually with the white to have a black default border to divide it from the surrounding buttons and labels.
Already available in latest version:
It wasn't - but it is now, in the Download/UpLoad topic
Thanks for taking the time to contact us--it does sometimes take us time to respond, but we try