It's not integrated in flatpak cli yet, but you can use ostree to do a rollback/downgrade. https://github.com/flatpak/flatpak/wiki/Tips-&-Tricks https://github.

It's not integrated in flatpak cli yet, but you can use ostree to do a rollback/downgrade. https://github.com/flatpak/flatpak/wiki/Tips-&-Tricks https://github.com/flatpak/flatpak/wiki/Tips-&-Tricks