6.10.0 Summary of Changes and New Features   As always, prior to updating, create a backup of your USB flash device:  "Main/Flash/Flash Device Settings" - click "Flash Backup".   [rc3] Plugin Authors:  We patched the upgradepkg script to prevent it from replacing an installed package with an earlier version of the same package, i.e., no downgrading.  If a plugin really needs to replace a package with a downgraded version it can include the '--reinstall' option.   Al