Build all Cargo software frozen, not just during the install phase. cargo-c tried to go download something in phase_3 otherwise
build_core: Ensure that the process that creates the lock file actually handles Rust downloading
build_core: Support in the Revisions file, storing the version of Rust that was used when building, so that an ISO can be rebuilt with the same version of Rust
plymouth_hook: Install backend modules a better way using $PLUGIN_PATH instead of hardcoding a path with Debian multiarch assumptions
freetype2 is the extra builder to be removed that was not being used, not fontconfig, add back fontconfig
Remove webkitgtk/gnome-online-accounts builders since evolution-data-server was set to not use webkitgtk since commit 7551
Remove build scripts that have not been used
Unfreeze wayvnc as well now that libaml is unfrozen