Welcome to GPLDL - we are still beta - please report any bugs via the contact form.
It’s already here> https://gpldl.com/repository/special-gifts/ it’s only for premium users though.
I would also love to see MainWP extensions here, please add some.
That is because Smush Pro uses WPMU’s own cloud servers to ‘smush’ images and even if you install the pro version it will ask for you to activate their suite in order to use the pro features