fmoralesc [1] filed a deletion request for rtl8723de-dkms [2]:

This driver for the Realtek 8723de wifi+BT chip seems to have been made obsolete by https://github.com/lwfinger/rtlwifi_new, which is available in the AUR in the rtlwifi_new-extended-dkms package.

[1] https://aur.archlinux.org/account/fmoralesc/ [2] https://aur.archlinux.org/pkgbase/rtl8723de-dkms/