the value of IPFVER in /usr/local/bin/backupiso is still "2.21" and https://downloads.ipfire.org/releases/ipfire-2.x/ is giving an "error 404"
Thanks, Paul. Fixed! https://git.ipfire.org/?p=ipfire-2.x.git;a=commitdiff;h=0aa21ad307979f96d3ea26ae3d86e19fc40f6787