I guess that's noble to try and make your library compatible. I don't think they're giving up much by dropping native private vars. I'm in the camp of "if this

I guess that's noble to try and make your library compatible. I don't think they're giving up much by dropping native private vars. I'm in the camp of "if this var is documented as private/do not use and you use it anyway and then I change it and your code breaks, then that's on you". i.e. just prefix vars you don't want people to use with `_` or something.