"Quarto 2 will include a built-in collaborative editor. . . . The design of those integrations is still taking shape. It is very early in the project. . . . We don't expect to have a public release of Quarto 2 for at least 6 months."
https://quarto.org/docs/blog/posts/2026-04-06-whats-next-quarto-2/
#QuartoPub