Default winblend value causes black background on floating windows

[LittleAmara]

If winblend != 0 (10 being the default value for oil) then the background appears black:

It is related to this issue on the Neovim repository.

Maybe it would be good to either change the default value or add a little note in the README about overriding the win_options for the people that are not familiar with floating windows.

[stevearc]

Yes, the issue you linked is the problem. I think that changing the default value is a reasonable response, at least until this gets fixed in core