Due to an influx of spam, we have had to approve account registrations. Please write an email to support@manjaro.org, with your username, if you want to get access faster. Sorry for the inconvenience.
I have just did a fresh install of manjaro KDE and the flatpak version is not showing in pamac. the snap, official, and aur versions are showing. I'm able to install it the terminal with no problem.
To upload designs, you'll need to enable LFS and have an admin enable hashed storage. More information