Nothing will change in that sense.

There is already support for retroachievents, if you don’t see it you’re most likely on the stable branch.

Retroachievents only work on the dev builds, which are available on flatpak-beta. The readme has some instructions in case you need them.

You may want to look into gnome classic, it comes default with gnome.

It’s not fancy or even popular, but it was made specifically for people like you.