Regular system maintenance
Installing updates and purging things
yay
yay -Qtdq | yay -Rns -
The last line will for example remove build-only dependencies.
Prune old Restic backups
As outlined in Set up Backup: Restic, you should regularly run the following (when there is a good and stable connection, as this will read back all data):
systemctl start restic-check-and-prune@root.service
systemctl start restic-check-and-prune@home.service
Check logs after this!