Markdown modification on AST level

[766F6964]

I'm working with the markdown-rs crate and need to perform AST-level modifications to markdown content. While the crate successfully parses markdown to AST and can output to HTML, I'm unable to output the modified AST back to markdown format.

Here is a little example - it seems like I can only "render" the AST via to_html_with_options.

use markdown::{mdast::Node, to_html_with_options, to_mdast, Options};
use std::collections::VecDeque;

fn main() {
    let md = "# Hello\n\nHere's a [link](https://example.com).\n";
    println!("Original:\n{md}");

    let mut ast = to_mdast(md, &Default::default()).unwrap();
    println!("\nAST before:\n{ast:#?}");

    let mut queue = VecDeque::from([&mut ast]);
    while let Some(node) = queue.pop_front() {
        match node {
            Node::Link(link) => link.url = "https://modified.com".into(),
            Node::Root(root) => queue.extend(root.children.iter_mut()),
            Node::Paragraph(p) => queue.extend(p.children.iter_mut()),
            _ => {}
        }
    }

    println!("\nAST after:\n{ast:#?}");
    println!(
        "\nHTML output:\n{}",
        to_html_with_options(md, &Options::default()).unwrap()
    );
}

After a bit of searching I found this MR: #127
However, but it seems for now, this is not in the latest release 1.0.0-alpha.21?
Will this be added with the next release? If so, are there already plans when the next release will be?
As for other features, like gfm, especially table support, this is not possible yet?