Synaptic 0.90 is in Debian (https://tracker.debian.org/pkg/synaptic), but there are a few changes in the Ubuntu package, so it might need a merge instead of a sync. (Then again, looking at the changelog https://launchpad.net/ubuntu/+source/synaptic/+changelog, the Ubuntu package seems to have added apt 1.9.0 support earlier so maybe the delta isn't as big as it seems.)
Synaptic 0.90 is in Debian (https:/ /tracker. debian. org/pkg/ synaptic), but there are a few changes in the Ubuntu package, so it might need a merge instead of a sync. (Then again, looking at the changelog https:/ /launchpad. net/ubuntu/ +source/ synaptic/ +changelog, the Ubuntu package seems to have added apt 1.9.0 support earlier so maybe the delta isn't as big as it seems.)