wanting to try a GUI toolkit: needing some advice on which one to choose

[Ola Fosheim Grøstad]

On Wednesday, 2 June 2021 at 01:29:51 UTC, cc wrote:
> It's 2021 and I'm still waiting for parent selectors.  Even 
> :has() isn't implemented by anything yet.

I think that is because :has() is Selectors Level 4, which is a 
working draft, so not a standard yet.

https://www.w3.org/Style/CSS/current-work