Linux Mint (based on Ubuntu) has MintUpdate: http://www.linuxmint.com/blog/?p=71 http://www.linuxmint.com/blog/?p=71 It rates packages by criticality during u

Linux Mint (based on Ubuntu) has MintUpdate: http://www.linuxmint.com/blog/?p=71 http://www.linuxmint.com/blog/?p=71 It rates packages by criticality during updates and hides the riskier ones by default. This is more important for Mint than Ubuntu proper, though, since Mint is a remix on top of the original packages and is more likely to break during a regular package update.