*non-free dependencies, transient build tools

> BACKPORTS + packages NOT AVAILABLE in Debian stable/Ubuntu LTS.
> REQUIRES home:c71b67b6:df19376d2a22
- ppsspp (ppa:xuzhen666/ppsspp)
- veracrypt (ppa:unit193/encryption)
- pcsx2, pcsx2-patches (ppa:pcsx2-team/pcsx2-daily)
- fotocx (ppa:xtradeb/apps)
- papirus-folders (ppa:papirus/papirus)
- retroarch, retroarch-assets, libretro-core-info (ppa:libretro/stable)
...

CORE
> STANDALONE REPOSITORY (no external dependencies).
*** bcachefs-tools *** EXPERIMENTAL (orphaned in Debian)

- mesa (ppa:kisak/kisak-mesa)

-*-*-* REQUIRES: home:c71b67b6:df19376d2a22 *-*-*-
- kwin (required for libwayland ABI >= 1.23 in Plasma Wayland sessions)

> STANDALONE REPOSITORY (no external dependencies).
* Sources from Official pages / GIT repositories.
* THIRD-PARTY REPOSITORIES used for reference / assets / patches: multimedia:proaudio (OBS), archlinux (official repos/AUR), ycollet/audinux (COPR), kxstudio-debian (PPA)
- PROBLEMATIC:
uhhyou-plugins, wildergardenaudio-maim, paulxstretch, infamousplugins