Very low-priority bug: if you click the "Mark All Upgrades" button, then in the popped up window click "Cancel", the status bar (bottom edge of Synaptic's window) will show message "Successfully marked available upgrades", even though the operation was canceled and no upgrades were marked.
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: synaptic 0.75.7
ProcVersionSignature: Ubuntu 3.2.0-20.33-generic 3.2.12
Uname: Linux 3.2.0-20-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.0-0ubuntu2
Architecture: amd64
Date: Fri Apr 6 18:28:57 2012
ExecutablePath: /usr/sbin/synaptic
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Beta amd64 (20120328)
ProcEnviron:
LANGUAGE=en_CA:en
TERM=unknown
PATH=(custom, no user)
LANG=en_CA.UTF-8
SHELL=/bin/bash
SourcePackage: synaptic
UpgradeStatus: No upgrade log present (probably fresh install)
Status changed to 'Confirmed' because the bug affects multiple users.