There is still a _desperate_ need for a widely used common standard for GUI; I'd even be OK with that happening to be 'things are webpages' if they were OS native and would otherwise behave similarly to native apps on every platform. That HTML5 desktop or even Postscript would be nice; anything as long as it's a real standard already installed and kept up to date on 99% of potential user's systems.
> as long as it's a real standard already installed and kept up to date on 99% of potential user's systems.
Unfortunately, by far the closest thing we have to this is Google Chrome.
I would, except it's not a 'native dialog'; it doesn't yield first class citizen UI interaction, it lives in a tab in the browser.
It should be noted that the need for standard GUI doesn’t come from the users, who mostly prefer consistency among different apps within their OS of choice.