Freso [1] filed an orphan request for dbdesigner4 [2]: Upstream source has been dead (and reported so) since 2017. A mirror/archive URL was posted in 2017, but PKGBUILD has yet to be updated.
[1] https://aur.archlinux.org/account/Freso/ [2] https://aur.archlinux.org/pkgbase/dbdesigner4/
